./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.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-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.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 07d66c4a8707cd8197105d63e3dee30aff715401 ....................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:14:53,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:14:53,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:14:53,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:14:53,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:14:53,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:14:53,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:14:53,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:14:53,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:14:53,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:14:53,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:14:53,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:14:53,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:14:53,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:14:53,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:14:53,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:14:53,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:14:53,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:14:53,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:14:53,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:14:53,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:14:53,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:14:53,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:14:53,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:14:53,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:14:53,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:14:53,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:14:53,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:14:53,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:14:53,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:14:53,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:14:53,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:14:53,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:14:53,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:14:53,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:14:53,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:14:53,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:14:53,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:14:53,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:14:53,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:14:53,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:14:53,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:14:53,855 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:14:53,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:14:53,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:14:53,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:14:53,857 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:14:53,857 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:14:53,857 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:14:53,858 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:14:53,858 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:14:53,858 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:14:53,858 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:14:53,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:14:53,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:14:53,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:14:53,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:14:53,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:14:53,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:14:53,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:14:53,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:14:53,860 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:14:53,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:14:53,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:14:53,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:14:53,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:14:53,861 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:14:53,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:14:53,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:14:53,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:14:53,862 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:14:53,863 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:14:53,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07d66c4a8707cd8197105d63e3dee30aff715401 [2020-10-26 04:14:54,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:14:54,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:14:54,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:14:54,317 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:14:54,317 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:14:54,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2020-10-26 04:14:54,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b06d080/4e64166fa09b44b6b0477d359ea3708e/FLAGc54d02241 [2020-10-26 04:14:55,066 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:14:55,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2020-10-26 04:14:55,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b06d080/4e64166fa09b44b6b0477d359ea3708e/FLAGc54d02241 [2020-10-26 04:14:55,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b06d080/4e64166fa09b44b6b0477d359ea3708e [2020-10-26 04:14:55,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:14:55,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:14:55,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:14:55,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:14:55,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:14:55,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51af8996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55, skipping insertion in model container [2020-10-26 04:14:55,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:14:55,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:14:55,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:14:55,370 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:14:55,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:14:55,402 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:14:55,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55 WrapperNode [2020-10-26 04:14:55,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:14:55,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:14:55,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:14:55,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:14:55,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:14:55,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:14:55,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:14:55,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:14:55,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (1/1) ... [2020-10-26 04:14:55,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:14:55,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:14:55,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:14:55,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:14:55,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (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 04:14:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:14:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:14:55,723 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:14:55,724 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:14:55,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:14:55 BoogieIcfgContainer [2020-10-26 04:14:55,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:14:55,727 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:14:55,727 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:14:55,731 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:14:55,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:14:55,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:14:55" (1/3) ... [2020-10-26 04:14:55,733 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f826645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:14:55, skipping insertion in model container [2020-10-26 04:14:55,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:14:55,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:55" (2/3) ... [2020-10-26 04:14:55,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f826645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:14:55, skipping insertion in model container [2020-10-26 04:14:55,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:14:55,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:14:55" (3/3) ... [2020-10-26 04:14:55,736 INFO L373 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2020-10-26 04:14:55,843 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:14:55,843 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:14:55,843 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:14:55,844 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:14:55,844 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:14:55,844 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:14:55,844 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:14:55,844 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:14:55,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-26 04:14:55,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:14:55,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:14:55,907 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:14:55,915 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:14:55,915 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:14:55,915 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:14:55,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-26 04:14:55,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:14:55,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:14:55,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:14:55,918 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:14:55,918 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:14:55,926 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~max~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L16true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 6#L19-2true [2020-10-26 04:14:55,927 INFO L796 eck$LassoCheckResult]: Loop: 6#L19-2true assume !!(main_~x~0 < main_~max~0); 11#L20true assume 0 != main_#t~nondet1;havoc main_#t~nondet1;main_~a~0 := 1 + main_~a~0; 9#L20-2true main_~x~0 := 1 + main_~x~0; 6#L19-2true [2020-10-26 04:14:55,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:55,934 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2020-10-26 04:14:55,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:55,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935843301] [2020-10-26 04:14:55,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:56,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:56,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:56,077 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:56,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:56,079 INFO L82 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2020-10-26 04:14:56,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:56,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776831977] [2020-10-26 04:14:56,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:56,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:56,099 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:56,101 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:56,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:56,103 INFO L82 PathProgramCache]: Analyzing trace with hash 29684845, now seen corresponding path program 1 times [2020-10-26 04:14:56,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:56,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641909320] [2020-10-26 04:14:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:56,114 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:56,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:56,123 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:56,218 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:14:56,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:14:56,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:14:56,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:14:56,220 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:14:56,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:56,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:14:56,221 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:14:56,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2020-10-26 04:14:56,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:14:56,221 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:14:56,251 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 04:14:56,268 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 04:14:56,286 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 04:14:56,305 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 04:14:56,314 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 04:14:56,465 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:14:56,466 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:56,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:56,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:14:56,487 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:56,488 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) [2020-10-26 04:14:56,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:56,543 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:56,550 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:56,550 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) [2020-10-26 04:14:56,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:56,597 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /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 04:14:56,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:14:56,645 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 [2020-10-26 04:14:56,812 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:14:56,814 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:14:56,814 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:14:56,814 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:14:56,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:14:56,814 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:14:56,814 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:56,814 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:14:56,814 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:14:56,815 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2020-10-26 04:14:56,815 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:14:56,815 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:14:56,822 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 04:14:56,828 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 04:14:56,836 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 04:14:56,854 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 04:14:56,888 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 04:14:56,964 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:14:56,970 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:56,976 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 04:14:56,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:56,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:56,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:56,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:56,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:14:56,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:14:56,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:57,029 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 04:14:57,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:57,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:57,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:57,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:57,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:14:57,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:14:57,063 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) [2020-10-26 04:14:57,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:57,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:57,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:14:57,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:57,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:57,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:57,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:14:57,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:14:57,112 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:14:57,119 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-26 04:14:57,120 INFO L444 ModelExtractionUtils]: 0 out of 4 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 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 04:14:57,130 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:14:57,130 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:14:57,130 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:14:57,131 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~max~0) = -1*ULTIMATE.start_main_~x~0 + 1*ULTIMATE.start_main_~max~0 Supporting invariants [] [2020-10-26 04:14:57,156 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:14:57,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:14:57,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:14:57,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:14:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:14:57,215 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:14:57,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:14:57,230 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 04:14:57,249 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 04:14:57,251 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2020-10-26 04:14:57,399 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 7 states. [2020-10-26 04:14:57,400 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 04:14:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:14:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-10-26 04:14:57,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2020-10-26 04:14:57,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:57,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2020-10-26 04:14:57,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:57,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2020-10-26 04:14:57,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:57,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2020-10-26 04:14:57,439 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:14:57,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-10-26 04:14:57,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:14:57,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:14:57,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:14:57,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:14:57,453 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:14:57,453 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:14:57,456 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:14:57,456 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:14:57,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:14:57,457 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:14:57,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:14:57,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:14:57 BoogieIcfgContainer [2020-10-26 04:14:57,468 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:14:57,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:14:57,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:14:57,471 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:14:57,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:14:55" (3/4) ... [2020-10-26 04:14:57,475 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:14:57,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:14:57,481 INFO L168 Benchmark]: Toolchain (without parser) took 2369.17 ms. Allocated memory was 41.9 MB in the beginning and 60.8 MB in the end (delta: 18.9 MB). Free memory was 18.8 MB in the beginning and 42.0 MB in the end (delta: -23.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:14:57,483 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 41.9 MB. Free memory is still 24.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:14:57,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.24 ms. Allocated memory is still 41.9 MB. Free memory was 18.1 MB in the beginning and 19.0 MB in the end (delta: -877.6 kB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:14:57,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.43 ms. Allocated memory is still 41.9 MB. Free memory was 19.0 MB in the beginning and 17.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:14:57,489 INFO L168 Benchmark]: Boogie Preprocessor took 27.91 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.7 MB in the beginning and 35.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:14:57,492 INFO L168 Benchmark]: RCFGBuilder took 257.01 ms. Allocated memory is still 50.3 MB. Free memory was 35.1 MB in the beginning and 27.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:14:57,496 INFO L168 Benchmark]: BuchiAutomizer took 1741.83 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.0 MB in the beginning and 42.4 MB in the end (delta: -15.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:14:57,498 INFO L168 Benchmark]: Witness Printer took 5.40 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 42.0 MB in the end (delta: 383.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:14:57,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 41.9 MB. Free memory is still 24.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 287.24 ms. Allocated memory is still 41.9 MB. Free memory was 18.1 MB in the beginning and 19.0 MB in the end (delta: -877.6 kB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.43 ms. Allocated memory is still 41.9 MB. Free memory was 19.0 MB in the beginning and 17.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.91 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.7 MB in the beginning and 35.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 257.01 ms. Allocated memory is still 50.3 MB. Free memory was 35.1 MB in the beginning and 27.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1741.83 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.0 MB in the beginning and 42.4 MB in the end (delta: -15.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.40 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 42.0 MB in the end (delta: 383.4 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + max and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...