./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/terminator_01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/terminator_01.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32428afd68005bcf440791010506ff25981be905 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:16:54,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:16:54,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:16:54,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:16:54,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:16:54,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:16:54,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:16:54,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:16:54,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:16:54,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:16:54,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:16:54,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:16:54,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:16:54,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:16:54,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:16:54,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:16:54,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:16:54,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:16:54,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:16:54,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:16:54,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:16:54,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:16:54,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:16:54,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:16:54,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:16:54,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:16:54,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:16:54,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:16:54,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:16:54,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:16:54,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:16:54,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:16:54,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:16:54,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:16:54,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:16:54,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:16:54,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:16:54,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:16:54,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:16:54,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:16:54,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:16:54,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:16:54,472 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:16:54,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:16:54,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:16:54,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:16:54,474 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:16:54,474 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:16:54,475 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:16:54,475 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:16:54,475 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:16:54,476 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:16:54,476 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:16:54,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:16:54,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:16:54,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:16:54,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:16:54,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:16:54,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:16:54,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:16:54,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:16:54,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:16:54,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:16:54,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:16:54,479 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:16:54,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:16:54,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:16:54,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:16:54,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:16:54,481 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:16:54,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:16:54,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:16:54,481 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:16:54,483 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:16:54,483 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 32428afd68005bcf440791010506ff25981be905 [2019-11-28 03:16:54,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:16:54,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:16:54,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:16:54,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:16:54,799 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:16:54,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_01.c [2019-11-28 03:16:54,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ff4ec072/fdc5c57599104cdd80ca45a9f589ebec/FLAG326e7f4b5 [2019-11-28 03:16:55,374 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:16:55,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_01.c [2019-11-28 03:16:55,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ff4ec072/fdc5c57599104cdd80ca45a9f589ebec/FLAG326e7f4b5 [2019-11-28 03:16:55,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ff4ec072/fdc5c57599104cdd80ca45a9f589ebec [2019-11-28 03:16:55,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:16:55,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:16:55,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:16:55,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:16:55,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:16:55,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:55" (1/1) ... [2019-11-28 03:16:55,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75166d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:55, skipping insertion in model container [2019-11-28 03:16:55,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:55" (1/1) ... [2019-11-28 03:16:55,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:16:55,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:16:56,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:16:56,026 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:16:56,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:16:56,059 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:16:56,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56 WrapperNode [2019-11-28 03:16:56,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:16:56,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:16:56,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:16:56,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:16:56,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:16:56,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:16:56,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:16:56,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:16:56,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... [2019-11-28 03:16:56,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:16:56,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:16:56,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:16:56,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:16:56,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:16:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:16:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:16:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:16:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:16:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:16:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:16:56,458 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:16:56,458 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:16:56,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:56 BoogieIcfgContainer [2019-11-28 03:16:56,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:16:56,471 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:16:56,471 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:16:56,479 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:16:56,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:16:56,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:16:55" (1/3) ... [2019-11-28 03:16:56,485 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43dff984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:16:56, skipping insertion in model container [2019-11-28 03:16:56,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:16:56,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:56" (2/3) ... [2019-11-28 03:16:56,486 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43dff984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:16:56, skipping insertion in model container [2019-11-28 03:16:56,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:16:56,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:56" (3/3) ... [2019-11-28 03:16:56,491 INFO L371 chiAutomizerObserver]: Analyzing ICFG terminator_01.c [2019-11-28 03:16:56,559 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:16:56,559 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:16:56,559 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:16:56,559 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:16:56,559 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:16:56,560 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:16:56,560 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:16:56,560 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:16:56,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:16:56,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:16:56,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:16:56,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:16:56,594 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:16:56,594 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:16:56,595 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:16:56,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:16:56,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:16:56,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:16:56,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:16:56,597 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:16:56,597 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:16:56,603 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~post3, main_#t~mem1, main_~#x~0.base, main_~#x~0.offset, main_~p~0.base, main_~p~0.offset;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4);call write~init~int(main_#t~nondet0, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~nondet0;main_~p~0.base, main_~p~0.offset := main_~#x~0.base, main_~#x~0.offset; 11#L16-3true [2019-11-28 03:16:56,603 INFO L796 eck$LassoCheckResult]: Loop: 11#L16-3true call main_#t~mem1 := read~int(main_~#x~0.base, main_~#x~0.offset, 4); 4#L16-1true assume !!(main_#t~mem1 < 100);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post3 := main_#t~mem2;call write~int(1 + main_#t~post3, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem2;havoc main_#t~post3; 11#L16-3true [2019-11-28 03:16:56,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:56,608 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 03:16:56,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:56,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614054485] [2019-11-28 03:16:56,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:56,726 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:16:56,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:56,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-11-28 03:16:56,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:56,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288429786] [2019-11-28 03:16:56,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:56,752 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:16:56,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:56,754 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-28 03:16:56,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:56,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417965180] [2019-11-28 03:16:56,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:56,815 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:16:57,056 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-11-28 03:16:57,107 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:16:57,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:16:57,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:16:57,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:16:57,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:16:57,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:57,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:16:57,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:16:57,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_01.c_Iteration1_Lasso [2019-11-28 03:16:57,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:16:57,110 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:16:57,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:57,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:57,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:57,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:57,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:57,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:57,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:57,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:57,627 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:16:57,633 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:57,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:16:57,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:16:57,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:57,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:57,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:16:57,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:16:57,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:57,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:57,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:16:57,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:16:57,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:57,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:16:57,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:16:57,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:16:57,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:57,765 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 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:57,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:16:57,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:16:57,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:16:57,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:57,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:16:57,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:57,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:57,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:16:57,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:16:57,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:57,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:16:57,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:16:57,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:57,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:16:57,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:16:57,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:57,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:16:57,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:57,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:57,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:57,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:57,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:16:57,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:16:57,944 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:16:57,967 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 03:16:57,967 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:57,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:57,984 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:16:57,984 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:16:57,985 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1 + 199 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:16:58,002 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2019-11-28 03:16:58,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:16:58,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:16:58,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:16:58,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:16:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:16:58,086 WARN L253 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 03:16:58,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:16:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:16:58,130 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:16:58,132 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-28 03:16:58,213 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 8 states. [2019-11-28 03:16:58,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:16:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:16:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2019-11-28 03:16:58,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-28 03:16:58,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:58,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 03:16:58,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:58,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-28 03:16:58,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:58,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2019-11-28 03:16:58,223 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:16:58,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-28 03:16:58,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:16:58,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:16:58,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:16:58,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:16:58,228 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:16:58,229 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:16:58,229 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:16:58,229 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:16:58,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:16:58,229 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:16:58,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:16:58,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:16:58 BoogieIcfgContainer [2019-11-28 03:16:58,236 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:16:58,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:16:58,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:16:58,237 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:16:58,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:56" (3/4) ... [2019-11-28 03:16:58,241 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:16:58,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:16:58,244 INFO L168 Benchmark]: Toolchain (without parser) took 2456.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 956.3 MB in the beginning and 926.0 MB in the end (delta: 30.4 MB). Peak memory consumption was 173.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:58,245 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:16:58,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.84 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:58,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:58,247 INFO L168 Benchmark]: Boogie Preprocessor took 24.58 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:58,248 INFO L168 Benchmark]: RCFGBuilder took 289.30 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:58,249 INFO L168 Benchmark]: BuchiAutomizer took 1765.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.0 MB in the end (delta: 183.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:58,250 INFO L168 Benchmark]: Witness Printer took 5.04 ms. Allocated memory is still 1.2 GB. Free memory is still 926.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:16:58,255 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.84 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.58 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 289.30 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1765.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.0 MB in the end (delta: 183.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.04 ms. Allocated memory is still 1.2 GB. Free memory is still 926.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 -2 * unknown-#memory_int-unknown[x][x] + 199 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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: 5 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax100 hnf100 lsp93 ukn78 mio100 lsp37 div100 bol100 ite100 ukn100 eq185 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 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...