./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.17.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c1132cbc7f5ece5e256e1f8dfde86f3ca50a733 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:34,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:34,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:34,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:34,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:34,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:34,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:34,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:34,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:34,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:34,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:34,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:34,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:34,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:34,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:34,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:34,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:34,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:34,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:34,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:34,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:34,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:34,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:34,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:34,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:34,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:34,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:34,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:34,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:34,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:34,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:34,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:34,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:34,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:34,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:34,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:34,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:34,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:34,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:34,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:34,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:34,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:56:34,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:34,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:34,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:34,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:34,185 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:34,186 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:34,186 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:34,186 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:34,186 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:34,186 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:34,187 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:34,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:34,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:34,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:34,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:34,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:34,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:34,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:34,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:34,188 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:34,188 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:34,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:34,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:34,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:34,189 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:34,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:34,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:34,189 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:34,190 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:34,191 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/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c1132cbc7f5ece5e256e1f8dfde86f3ca50a733 [2019-10-22 08:56:34,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:34,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:34,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:34,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:34,230 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:34,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/b.17.c [2019-10-22 08:56:34,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/data/e92afd309/28c27f5cc23e49358f4f3bfc75bbfe15/FLAG01f19ab6b [2019-10-22 08:56:34,652 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:34,652 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/sv-benchmarks/c/termination-restricted-15/b.17.c [2019-10-22 08:56:34,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/data/e92afd309/28c27f5cc23e49358f4f3bfc75bbfe15/FLAG01f19ab6b [2019-10-22 08:56:35,077 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/data/e92afd309/28c27f5cc23e49358f4f3bfc75bbfe15 [2019-10-22 08:56:35,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:35,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:35,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:35,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:35,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:35,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c75c6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35, skipping insertion in model container [2019-10-22 08:56:35,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,110 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:35,125 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:35,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:35,248 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:35,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:35,326 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:35,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35 WrapperNode [2019-10-22 08:56:35,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:35,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:35,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:35,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:35,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:35,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:35,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:35,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:35,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... [2019-10-22 08:56:35,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:35,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:35,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:35,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:35,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/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 [2019-10-22 08:56:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:35,586 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:35,587 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:56:35,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:35 BoogieIcfgContainer [2019-10-22 08:56:35,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:35,589 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:35,589 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:35,593 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:35,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:35,594 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:35" (1/3) ... [2019-10-22 08:56:35,595 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@525d8a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:35, skipping insertion in model container [2019-10-22 08:56:35,595 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:35,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:35" (2/3) ... [2019-10-22 08:56:35,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@525d8a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:35, skipping insertion in model container [2019-10-22 08:56:35,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:35,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:35" (3/3) ... [2019-10-22 08:56:35,598 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.17.c [2019-10-22 08:56:35,671 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:35,671 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:35,671 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:35,671 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:35,672 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:35,672 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:35,672 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:35,672 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:35,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:56:35,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:35,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:35,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:35,733 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:56:35,733 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:35,733 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:35,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:56:35,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:35,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:35,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:35,734 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:56:35,734 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:35,741 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 3#L12-2true [2019-10-22 08:56:35,741 INFO L793 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 > main_~z~0); 6#L13-2true assume !(main_~y~0 > main_~z~0); 4#L13-3true main_~x~0 := main_~x~0 - 1; 3#L12-2true [2019-10-22 08:56:35,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,746 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:56:35,752 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547624027] [2019-10-22 08:56:35,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,833 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:35,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,834 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-10-22 08:56:35,835 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,835 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128733985] [2019-10-22 08:56:35,835 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,835 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,847 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:35,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,849 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-10-22 08:56:35,849 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183847831] [2019-10-22 08:56:35,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,865 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:35,909 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:35,910 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:35,910 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:35,910 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:35,910 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:35,910 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:35,911 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:35,911 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:35,911 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration1_Loop [2019-10-22 08:56:35,911 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:35,911 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:35,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,014 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:36,015 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/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 [2019-10-22 08:56:36,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:36,021 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:36,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:36,027 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/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 [2019-10-22 08:56:36,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:36,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:36,037 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:36,038 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:36,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:36,052 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/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) [2019-10-22 08:56:36,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:36,064 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:36,275 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:36,276 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:36,277 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:36,277 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:36,277 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:36,277 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:36,277 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:36,277 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:36,277 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:36,277 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration1_Loop [2019-10-22 08:56:36,277 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:36,277 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:36,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,336 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:36,341 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:36,342 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 [2019-10-22 08:56:36,344 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:36,344 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:36,344 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:36,344 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:36,348 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:36,348 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:36,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:36,355 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 [2019-10-22 08:56:36,356 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:36,356 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:36,356 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:36,357 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:36,367 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:36,367 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:36,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:36,383 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 [2019-10-22 08:56:36,384 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:36,384 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:36,384 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:36,384 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:36,385 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:36,385 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:36,385 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:36,401 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:36,418 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 08:56:36,419 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:56:36,420 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:36,421 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:56:36,421 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:36,421 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-10-22 08:56:36,432 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:56:36,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:36,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:56:36,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:36,548 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:56:36,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:36,578 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 [2019-10-22 08:56:36,579 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-10-22 08:56:36,623 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2019-10-22 08:56:36,623 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 [2019-10-22 08:56:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:56:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-10-22 08:56:36,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-10-22 08:56:36,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:36,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-10-22 08:56:36,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:36,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-10-22 08:56:36,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:36,630 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-10-22 08:56:36,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:56:36,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-10-22 08:56:36,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-10-22 08:56:36,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-10-22 08:56:36,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-10-22 08:56:36,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:56:36,638 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-10-22 08:56:36,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-10-22 08:56:36,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-10-22 08:56:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-10-22 08:56:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-10-22 08:56:36,663 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-10-22 08:56:36,663 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-10-22 08:56:36,664 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:36,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-10-22 08:56:36,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:56:36,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:36,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:36,665 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:56:36,665 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:56:36,665 INFO L791 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 70#L12-2 assume !!(main_~x~0 > main_~z~0); 72#L13-2 [2019-10-22 08:56:36,665 INFO L793 eck$LassoCheckResult]: Loop: 72#L13-2 assume !!(main_~y~0 > main_~z~0);main_~y~0 := main_~y~0 - 1; 72#L13-2 [2019-10-22 08:56:36,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:36,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 08:56:36,665 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:36,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123917631] [2019-10-22 08:56:36,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:36,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:36,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:36,674 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:36,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:36,675 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-10-22 08:56:36,675 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:36,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704361163] [2019-10-22 08:56:36,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:36,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:36,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:36,681 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:36,682 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-10-22 08:56:36,682 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:36,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907049647] [2019-10-22 08:56:36,682 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:36,682 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:36,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:36,691 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:36,702 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:36,703 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:36,703 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:36,703 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:36,703 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:36,703 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:36,703 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:36,703 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:36,703 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration2_Loop [2019-10-22 08:56:36,703 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:36,704 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:36,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,753 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:36,753 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:36,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:36,764 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:36,771 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:36,771 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/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 [2019-10-22 08:56:36,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:36,776 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae6cc61-6348-454c-ad12-15e287793d0c/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) [2019-10-22 08:56:36,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:36,791 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:36,941 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:36,942 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:36,942 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:36,942 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:36,943 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:36,943 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:36,943 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:36,943 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:36,943 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:36,943 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration2_Loop [2019-10-22 08:56:36,943 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:36,943 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:36,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:37,026 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:37,026 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:37,026 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 [2019-10-22 08:56:37,027 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:37,028 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:37,028 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:37,028 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:37,030 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:37,030 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:37,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:37,034 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 [2019-10-22 08:56:37,035 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:37,035 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:37,035 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:37,036 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:37,036 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:37,036 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:37,036 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:37,041 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:37,046 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:56:37,046 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:56:37,046 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:37,046 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:56:37,047 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:37,047 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-10-22 08:56:37,047 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:56:37,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:37,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:56:37,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:37,071 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:56:37,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:37,072 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-10-22 08:56:37,072 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-10-22 08:56:37,081 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 4 states. [2019-10-22 08:56:37,082 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 [2019-10-22 08:56:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-10-22 08:56:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-10-22 08:56:37,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2019-10-22 08:56:37,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:37,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2019-10-22 08:56:37,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:37,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-10-22 08:56:37,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:37,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-10-22 08:56:37,084 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:37,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-10-22 08:56:37,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:56:37,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:56:37,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:56:37,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:37,085 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:37,085 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:37,085 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:37,085 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:56:37,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:37,086 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:37,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:56:37,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:37 BoogieIcfgContainer [2019-10-22 08:56:37,092 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:37,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:37,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:37,093 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:37,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:35" (3/4) ... [2019-10-22 08:56:37,097 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:37,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:37,099 INFO L168 Benchmark]: Toolchain (without parser) took 2013.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 998.3 MB in the end (delta: -53.5 MB). Peak memory consumption was 87.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:37,099 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:37,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:37,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:37,101 INFO L168 Benchmark]: Boogie Preprocessor took 12.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:37,101 INFO L168 Benchmark]: RCFGBuilder took 217.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:37,102 INFO L168 Benchmark]: BuchiAutomizer took 1503.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.3 MB in the end (delta: 118.6 MB). Peak memory consumption was 118.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:37,102 INFO L168 Benchmark]: Witness Printer took 4.33 ms. Allocated memory is still 1.2 GB. Free memory is still 998.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:37,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 217.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1503.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.3 MB in the end (delta: 118.6 MB). Peak memory consumption was 118.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.33 ms. Allocated memory is still 1.2 GB. Free memory is still 998.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * z and consists of 5 locations. One deterministic module has affine ranking function y + -1 * z and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 7 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf98 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...