./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaC9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/termination-restricted-15/PastaC9.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash ddb977b9fea860f52c9087edc999243e3a2c7a92 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:17:11,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:17:11,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:17:11,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:17:11,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:17:11,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:17:11,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:17:11,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:17:11,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:17:11,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:17:11,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:17:11,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:17:11,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:17:11,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:17:11,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:17:11,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:17:11,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:17:11,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:17:11,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:17:11,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:17:11,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:17:11,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:17:11,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:17:11,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:17:11,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:17:11,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:17:11,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:17:11,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:17:11,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:17:11,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:17:11,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:17:11,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:17:11,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:17:11,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:17:11,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:17:11,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:17:11,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:17:11,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:17:11,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:17:11,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:17:11,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:17:11,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:17:11,141 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:17:11,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:17:11,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:17:11,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:17:11,148 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:17:11,148 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:17:11,148 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:17:11,148 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:17:11,149 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:17:11,149 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:17:11,149 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:17:11,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:17:11,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:17:11,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:17:11,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:17:11,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:17:11,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:17:11,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:17:11,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:17:11,152 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:17:11,152 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:17:11,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:17:11,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:17:11,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:17:11,153 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:17:11,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:17:11,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:17:11,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:17:11,154 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:17:11,155 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:17:11,156 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb977b9fea860f52c9087edc999243e3a2c7a92 [2020-10-26 04:17:11,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:17:11,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:17:11,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:17:11,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:17:11,618 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:17:11,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaC9.c [2020-10-26 04:17:11,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3edddfa3/e1413d1d57704540959ce490ca968f5b/FLAG48b070128 [2020-10-26 04:17:12,518 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:17:12,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2020-10-26 04:17:12,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3edddfa3/e1413d1d57704540959ce490ca968f5b/FLAG48b070128 [2020-10-26 04:17:12,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3edddfa3/e1413d1d57704540959ce490ca968f5b [2020-10-26 04:17:12,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:17:12,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:17:12,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:17:12,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:17:12,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:17:12,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:17:12" (1/1) ... [2020-10-26 04:17:12,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4553e9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:12, skipping insertion in model container [2020-10-26 04:17:12,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:17:12" (1/1) ... [2020-10-26 04:17:12,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:17:12,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:17:13,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:17:13,083 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:17:13,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:17:13,117 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:17:13,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13 WrapperNode [2020-10-26 04:17:13,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:17:13,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:17:13,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:17:13,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:17:13,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:17:13,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:17:13,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:17:13,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:17:13,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (1/1) ... [2020-10-26 04:17:13,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:17:13,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:17:13,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:17:13,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:17:13,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (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 [2020-10-26 04:17:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:17:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:17:13,436 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:17:13,437 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:17:13,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:17:13 BoogieIcfgContainer [2020-10-26 04:17:13,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:17:13,440 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:17:13,440 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:17:13,444 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:17:13,445 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:17:13,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:17:12" (1/3) ... [2020-10-26 04:17:13,447 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c19d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:17:13, skipping insertion in model container [2020-10-26 04:17:13,447 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:17:13,447 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:17:13" (2/3) ... [2020-10-26 04:17:13,448 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c19d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:17:13, skipping insertion in model container [2020-10-26 04:17:13,448 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:17:13,448 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:17:13" (3/3) ... [2020-10-26 04:17:13,450 INFO L373 chiAutomizerObserver]: Analyzing ICFG PastaC9.c [2020-10-26 04:17:13,507 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:17:13,507 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:17:13,508 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:17:13,508 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:17:13,508 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:17:13,508 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:17:13,509 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:17:13,509 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:17:13,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-10-26 04:17:13,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:17:13,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:17:13,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:17:13,554 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-26 04:17:13,555 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:17:13,555 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:17:13,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-10-26 04:17:13,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:17:13,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:17:13,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:17:13,557 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-26 04:17:13,557 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:17:13,566 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L14-2true [2020-10-26 04:17:13,566 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 9#L14true assume main_~random~0 < 42;main_~x~0 := main_~x~0 - 1;main_~random~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_~random~0; 5#L14-2true [2020-10-26 04:17:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:13,574 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-26 04:17:13,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:13,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138716881] [2020-10-26 04:17:13,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:13,685 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:13,691 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:13,711 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:13,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:13,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2020-10-26 04:17:13,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:13,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807493958] [2020-10-26 04:17:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:13,733 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:13,739 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:13,742 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:13,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:13,745 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2020-10-26 04:17:13,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:13,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473961277] [2020-10-26 04:17:13,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:13,756 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:13,763 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:13,768 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:13,945 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-10-26 04:17:14,031 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:17:14,032 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:17:14,032 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:17:14,032 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:17:14,032 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:17:14,032 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:14,032 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:17:14,033 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:17:14,033 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2020-10-26 04:17:14,033 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:17:14,033 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:17:14,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,192 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:17:14,192 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2020-10-26 04:17:14,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:14,218 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:14,236 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:17:14,237 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 /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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:14,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:14,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:17:14,345 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:17:14,345 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 /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 [2020-10-26 04:17:14,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:14,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:17:14,379 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:17:14,379 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=41} Honda state: {ULTIMATE.start_main_#t~nondet2=41} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-10-26 04:17:14,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:14,417 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 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) [2020-10-26 04:17:14,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:17:14,457 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 [2020-10-26 04:17:14,493 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:17:14,498 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:17:14,498 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:17:14,498 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:17:14,498 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:17:14,499 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:17:14,499 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:14,499 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:17:14,499 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:17:14,499 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2020-10-26 04:17:14,499 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:17:14,500 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:17:14,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:14,655 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:17:14,661 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:14,671 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 [2020-10-26 04:17:14,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:14,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:14,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:14,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:14,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:17:14,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:17:14,686 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 [2020-10-26 04:17:14,721 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 [2020-10-26 04:17:14,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:14,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:14,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:14,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:14,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:17:14,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:17:14,734 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 [2020-10-26 04:17:14,773 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 [2020-10-26 04:17:14,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:14,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:17:14,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:14,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:14,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:14,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:17:14,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:17:14,786 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) [2020-10-26 04:17:14,826 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 [2020-10-26 04:17:14,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:14,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:17:14,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:14,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:14,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:14,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:17:14,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:14,836 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:17:14,842 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-10-26 04:17:14,843 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 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) [2020-10-26 04:17:14,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:17:14,853 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:14,853 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:17:14,854 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-10-26 04:17:14,886 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:17:14,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:14,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:17:14,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:15,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:17:15,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:17:15,054 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 [2020-10-26 04:17:15,057 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2020-10-26 04:17:15,174 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 28 states and 35 transitions. Complement of second has 7 states. [2020-10-26 04:17:15,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:17:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:17:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-10-26 04:17:15,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2020-10-26 04:17:15,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:15,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2020-10-26 04:17:15,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:15,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 4 letters. [2020-10-26 04:17:15,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:15,187 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2020-10-26 04:17:15,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:17:15,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 8 states and 11 transitions. [2020-10-26 04:17:15,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-10-26 04:17:15,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-10-26 04:17:15,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2020-10-26 04:17:15,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:17:15,208 INFO L691 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-10-26 04:17:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2020-10-26 04:17:15,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2020-10-26 04:17:15,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-26 04:17:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-10-26 04:17:15,250 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-10-26 04:17:15,251 INFO L594 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-10-26 04:17:15,254 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:17:15,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2020-10-26 04:17:15,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:17:15,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:17:15,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:17:15,258 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:17:15,259 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:17:15,260 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 72#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 74#L14 [2020-10-26 04:17:15,260 INFO L796 eck$LassoCheckResult]: Loop: 74#L14 assume !(main_~random~0 < 42);main_~y~0 := main_~y~0 - 1; 73#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 74#L14 [2020-10-26 04:17:15,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:15,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-10-26 04:17:15,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:15,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697223681] [2020-10-26 04:17:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:15,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:15,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:15,302 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:15,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:15,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2020-10-26 04:17:15,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:15,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640752606] [2020-10-26 04:17:15,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:15,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:15,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:15,339 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:15,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:15,342 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2020-10-26 04:17:15,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:15,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730034716] [2020-10-26 04:17:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:15,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:15,376 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:15,381 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:15,411 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:17:15,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:17:15,412 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:17:15,412 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:17:15,412 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:17:15,412 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,412 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:17:15,412 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:17:15,413 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2020-10-26 04:17:15,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:17:15,413 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:17:15,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,533 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:17:15,535 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:15,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:17:15,549 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:17:15,550 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:15,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:15,593 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:17:15,602 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0=56, ULTIMATE.start_main_#t~nondet2=56} Honda state: {ULTIMATE.start_main_~random~0=56, ULTIMATE.start_main_#t~nondet2=56} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:15,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:15,648 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,653 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:17:15,653 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:15,691 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:15,692 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,697 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:17:15,697 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:15,738 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:17:15,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:17:15,834 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:17:15,836 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:17:15,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:17:15,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:17:15,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:17:15,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:17:15,838 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:17:15,839 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:17:15,839 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2020-10-26 04:17:15,839 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:17:15,839 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:17:15,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:15,946 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:17:15,946 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:15,957 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 [2020-10-26 04:17:15,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:15,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:15,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:15,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:15,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:17:15,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:15,975 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:16,014 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 [2020-10-26 04:17:16,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:16,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:17:16,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:16,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:16,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:16,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:17:16,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,021 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:16,069 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 [2020-10-26 04:17:16,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:16,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:16,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:16,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:16,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:17:16,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,088 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:16,134 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 [2020-10-26 04:17:16,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:16,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:17:16,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:16,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:16,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:16,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:17:16,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:17:16,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,201 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 [2020-10-26 04:17:16,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:16,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:17:16,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:16,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:16,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:16,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:17:16,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:17:16,207 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:17:16,211 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:17:16,212 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:16,217 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:17:16,217 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:17:16,217 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:17:16,217 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,249 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:17:16,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:16,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:17:16,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:16,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:17:16,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:17:16,309 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 [2020-10-26 04:17:16,309 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-10-26 04:17:16,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 14 states and 19 transitions. Complement of second has 5 states. [2020-10-26 04:17:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:17:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:17:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-10-26 04:17:16,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-26 04:17:16,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:16,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 04:17:16,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:16,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-26 04:17:16,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:16,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2020-10-26 04:17:16,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:17:16,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 12 transitions. [2020-10-26 04:17:16,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-10-26 04:17:16,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-10-26 04:17:16,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2020-10-26 04:17:16,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:17:16,335 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2020-10-26 04:17:16,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2020-10-26 04:17:16,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2020-10-26 04:17:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-26 04:17:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2020-10-26 04:17:16,336 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2020-10-26 04:17:16,337 INFO L594 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2020-10-26 04:17:16,337 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:17:16,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2020-10-26 04:17:16,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:17:16,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:17:16,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:17:16,338 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2020-10-26 04:17:16,338 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:17:16,338 INFO L794 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 126#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 127#L14 assume main_~random~0 < 42;main_~x~0 := main_~x~0 - 1;main_~random~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_~random~0; 131#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 129#L14 [2020-10-26 04:17:16,338 INFO L796 eck$LassoCheckResult]: Loop: 129#L14 assume !(main_~random~0 < 42);main_~y~0 := main_~y~0 - 1; 130#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 129#L14 [2020-10-26 04:17:16,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:16,339 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2020-10-26 04:17:16,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:16,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766616431] [2020-10-26 04:17:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:16,347 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:16,352 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:16,355 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:16,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:16,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2020-10-26 04:17:16,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:16,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365679488] [2020-10-26 04:17:16,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:16,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:16,368 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:16,370 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:16,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:16,370 INFO L82 PathProgramCache]: Analyzing trace with hash 925765410, now seen corresponding path program 1 times [2020-10-26 04:17:16,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:17:16,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509938193] [2020-10-26 04:17:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:17:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:16,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:17:16,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:17:16,407 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:17:16,437 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:17:16,437 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:17:16,437 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:17:16,437 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:17:16,437 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:17:16,438 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,438 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:17:16,438 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:17:16,438 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2020-10-26 04:17:16,438 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:17:16,438 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:17:16,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,572 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:17:16,572 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:16,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:17:16,577 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:16,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:17:16,622 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,715 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:17:16,717 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:17:16,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:17:16,717 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:17:16,717 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:17:16,717 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:17:16,717 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,717 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:17:16,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:17:16,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2020-10-26 04:17:16,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:17:16,718 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:17:16,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:17:16,817 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:17:16,817 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:16,822 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 [2020-10-26 04:17:16,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:17:16,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:17:16,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:17:16,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:17:16,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:17:16,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:17:16,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:17:16,834 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:17:16,834 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:17:16,841 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:17:16,841 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:17:16,841 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:17:16,841 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:17:16,875 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:17:16,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:16,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:17:16,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:16,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:17:16,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:17:16,977 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 [2020-10-26 04:17:16,977 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-10-26 04:17:17,003 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 5 states. [2020-10-26 04:17:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:17:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:17:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-10-26 04:17:17,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 04:17:17,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:17,005 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:17:17,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:17,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:17:17,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:17,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:17:17,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:17:17,064 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:17:17,064 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-10-26 04:17:17,085 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 5 states. [2020-10-26 04:17:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:17:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:17:17,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-10-26 04:17:17,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 04:17:17,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:17,087 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:17:17,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:17:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:17,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:17:17,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:17:17,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:17:17,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:17:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:17:17,143 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:17:17,143 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-10-26 04:17:17,174 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 4 states. [2020-10-26 04:17:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:17:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:17:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-10-26 04:17:17,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 04:17:17,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:17,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-26 04:17:17,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:17,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-26 04:17:17,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:17:17,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2020-10-26 04:17:17,180 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:17:17,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2020-10-26 04:17:17,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:17:17,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:17:17,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:17:17,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:17:17,181 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:17:17,181 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:17:17,181 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:17:17,181 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:17:17,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:17:17,182 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:17:17,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:17:17,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:17:17 BoogieIcfgContainer [2020-10-26 04:17:17,190 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:17:17,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:17:17,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:17:17,194 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:17:17,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:17:13" (3/4) ... [2020-10-26 04:17:17,200 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:17:17,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:17:17,206 INFO L168 Benchmark]: Toolchain (without parser) took 4324.61 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 23.6 MB in the beginning and 31.8 MB in the end (delta: -8.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:17:17,207 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 29.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:17:17,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.61 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 23.8 MB in the end (delta: -828.9 kB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:17:17,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.58 ms. Allocated memory is still 46.1 MB. Free memory was 23.8 MB in the beginning and 22.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:17:17,212 INFO L168 Benchmark]: Boogie Preprocessor took 18.75 ms. Allocated memory is still 46.1 MB. Free memory was 22.6 MB in the beginning and 21.7 MB in the end (delta: 957.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:17:17,216 INFO L168 Benchmark]: RCFGBuilder took 264.81 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.7 MB in the beginning and 35.7 MB in the end (delta: -14.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:17:17,219 INFO L168 Benchmark]: BuchiAutomizer took 3750.70 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.7 MB in the beginning and 32.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:17:17,220 INFO L168 Benchmark]: Witness Printer took 6.02 ms. Allocated memory is still 69.2 MB. Free memory was 32.3 MB in the beginning and 31.8 MB in the end (delta: 503.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:17:17,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 29.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 234.61 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 23.8 MB in the end (delta: -828.9 kB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.58 ms. Allocated memory is still 46.1 MB. Free memory was 23.8 MB in the beginning and 22.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.75 ms. Allocated memory is still 46.1 MB. Free memory was 22.6 MB in the beginning and 21.7 MB in the end (delta: 957.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 264.81 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.7 MB in the beginning and 35.7 MB in the end (delta: -14.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3750.70 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.7 MB in the beginning and 32.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Witness Printer took 6.02 ms. Allocated memory is still 69.2 MB. Free memory was 32.3 MB in the beginning and 31.8 MB in the end (delta: 503.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 18 SDslu, 10 SDs, 0 SdLazy, 32 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax158 hnf97 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf92 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 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...