./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i --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-memory-alloca/b.03-no-inv_assume-alloca.i -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 e1996219c6dbc0f4aa6a0486eb748fdb92fa73f6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:20:14,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:20:14,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:20:14,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:20:14,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:20:14,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:20:14,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:20:14,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:20:14,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:20:14,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:20:14,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:20:14,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:20:14,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:20:14,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:20:14,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:20:14,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:20:14,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:20:14,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:20:14,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:20:14,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:20:14,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:20:14,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:20:14,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:20:14,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:20:14,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:20:14,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:20:14,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:20:14,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:20:14,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:20:14,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:20:14,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:20:14,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:20:14,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:20:14,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:20:14,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:20:14,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:20:14,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:20:14,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:20:14,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:20:14,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:20:14,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:20:14,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:20:14,993 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:20:14,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:20:14,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:20:14,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:20:14,998 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:20:14,998 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:20:14,998 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:20:14,998 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:20:14,998 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:20:14,999 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:20:15,000 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:20:15,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:20:15,000 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:20:15,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:20:15,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:20:15,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:20:15,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:20:15,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:20:15,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:20:15,002 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:20:15,002 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:20:15,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:20:15,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:20:15,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:20:15,003 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:20:15,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:20:15,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:20:15,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:20:15,004 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:20:15,006 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:20:15,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1996219c6dbc0f4aa6a0486eb748fdb92fa73f6 [2020-10-26 04:20:15,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:20:15,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:20:15,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:20:15,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:20:15,467 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:20:15,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2020-10-26 04:20:15,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19014341/2d3c643bfb894c6eb035a8211bab2dfc/FLAGa186753e0 [2020-10-26 04:20:16,367 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:20:16,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2020-10-26 04:20:16,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19014341/2d3c643bfb894c6eb035a8211bab2dfc/FLAGa186753e0 [2020-10-26 04:20:16,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19014341/2d3c643bfb894c6eb035a8211bab2dfc [2020-10-26 04:20:16,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:20:16,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:20:16,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:20:16,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:20:16,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:20:16,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:20:16" (1/1) ... [2020-10-26 04:20:16,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca50e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:16, skipping insertion in model container [2020-10-26 04:20:16,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:20:16" (1/1) ... [2020-10-26 04:20:16,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:20:16,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:20:17,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:20:17,149 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:20:17,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:20:17,328 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:20:17,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17 WrapperNode [2020-10-26 04:20:17,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:20:17,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:20:17,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:20:17,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:20:17,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:20:17,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:20:17,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:20:17,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:20:17,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (1/1) ... [2020-10-26 04:20:17,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:20:17,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:20:17,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:20:17,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:20:17,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (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 04:20:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:20:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:20:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:20:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:20:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:20:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:20:18,032 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:20:18,033 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-26 04:20:18,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:20:18 BoogieIcfgContainer [2020-10-26 04:20:18,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:20:18,039 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:20:18,039 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:20:18,044 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:20:18,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:20:18,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:20:16" (1/3) ... [2020-10-26 04:20:18,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2358f565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:20:18, skipping insertion in model container [2020-10-26 04:20:18,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:20:18,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:20:17" (2/3) ... [2020-10-26 04:20:18,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2358f565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:20:18, skipping insertion in model container [2020-10-26 04:20:18,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:20:18,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:20:18" (3/3) ... [2020-10-26 04:20:18,051 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.03-no-inv_assume-alloca.i [2020-10-26 04:20:18,136 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:20:18,137 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:20:18,137 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:20:18,137 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:20:18,137 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:20:18,137 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:20:18,138 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:20:18,138 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:20:18,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:20:18,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:20:18,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:20:18,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:20:18,197 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:20:18,197 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:20:18,197 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:20:18,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:20:18,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:20:18,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:20:18,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:20:18,202 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:20:18,202 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:20:18,212 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 4#L553true assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 8#L556-5true [2020-10-26 04:20:18,213 INFO L796 eck$LassoCheckResult]: Loop: 8#L556-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 11#L556-1true assume !test_fun_#t~short10; 5#L556-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 + test_fun_#t~mem12, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11; 8#L556-5true [2020-10-26 04:20:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:20:18,223 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-26 04:20:18,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:20:18,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761767915] [2020-10-26 04:20:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:20:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:20:18,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:20:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:20:18,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:20:18,540 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:20:18,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:20:18,546 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2020-10-26 04:20:18,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:20:18,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038959026] [2020-10-26 04:20:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:20:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:20:18,635 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 04:20:18,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038959026] [2020-10-26 04:20:18,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:20:18,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:20:18,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86740340] [2020-10-26 04:20:18,643 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 04:20:18,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:20:18,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:20:18,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:20:18,666 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-10-26 04:20:18,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:20:18,699 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2020-10-26 04:20:18,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:20:18,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-10-26 04:20:18,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:20:18,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2020-10-26 04:20:18,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-10-26 04:20:18,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-10-26 04:20:18,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2020-10-26 04:20:18,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:20:18,709 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-26 04:20:18,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2020-10-26 04:20:18,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-10-26 04:20:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-26 04:20:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-10-26 04:20:18,739 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-26 04:20:18,739 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-26 04:20:18,740 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:20:18,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2020-10-26 04:20:18,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:20:18,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:20:18,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:20:18,747 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:20:18,747 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:20:18,747 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 33#L553 assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 34#L556-5 [2020-10-26 04:20:18,747 INFO L796 eck$LassoCheckResult]: Loop: 34#L556-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 37#L556-1 assume test_fun_#t~short10;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem9 <= 2147483647 - test_fun_#t~mem8; 35#L556-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 + test_fun_#t~mem12, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11; 34#L556-5 [2020-10-26 04:20:18,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:20:18,748 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-10-26 04:20:18,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:20:18,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607222963] [2020-10-26 04:20:18,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:20:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:20:18,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:20:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:20:18,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:20:18,798 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:20:18,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:20:18,799 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2020-10-26 04:20:18,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:20:18,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679570626] [2020-10-26 04:20:18,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:20:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:20:18,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:20:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:20:18,836 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:20:18,840 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:20:18,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:20:18,841 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2020-10-26 04:20:18,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:20:18,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001907680] [2020-10-26 04:20:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:20:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:20:18,864 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:20:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:20:18,889 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:20:18,895 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:20:19,052 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-10-26 04:20:19,402 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2020-10-26 04:20:19,508 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-26 04:20:19,523 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:20:19,524 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:20:19,524 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:20:19,524 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:20:19,524 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:20:19,525 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:19,525 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:20:19,525 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:20:19,525 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume-alloca.i_Iteration2_Lasso [2020-10-26 04:20:19,525 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:20:19,525 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:20:19,554 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 04:20:19,561 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 04:20:19,564 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 04:20:19,568 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 04:20:19,571 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 04:20:19,574 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 04:20:19,577 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 04:20:19,580 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 04:20:19,584 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 04:20:19,587 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 04:20:19,592 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 04:20:19,595 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 04:20:19,860 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-10-26 04:20:19,956 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 04:20:19,960 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 04:20:19,964 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 04:20:19,967 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 04:20:19,970 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 04:20:19,973 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 04:20:19,977 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 04:20:19,981 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 04:20:20,453 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:20:20,459 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:20:20,474 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 04:20:20,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:20,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:20,525 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 04:20:20,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:20:20,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:20:20,579 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 04:20:20,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:20,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:20:20,629 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 04:20:20,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:20,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:20:20,679 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 04:20:20,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:20,686 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 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 04:20:20,733 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 04:20:20,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:20:20,740 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 04:20:20,780 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 04:20:20,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:20:20,788 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 04:20:20,822 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 04:20:20,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:20:20,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:20,864 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 04:20:20,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:20:20,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:20,906 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 04:20:20,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:20:20,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:20:20,924 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:20:20,964 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 04:20:20,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:20,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:20:20,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:20,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:20,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:20,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:20:20,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:20,970 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:20:21,011 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 04:20:21,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:21,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:21,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:21,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:21,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:20:21,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:21,041 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:20:21,084 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 04:20:21,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:20:21,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:20:21,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:20:21,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:20:21,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:20:21,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:21,115 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:20:21,139 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-26 04:20:21,140 INFO L444 ModelExtractionUtils]: 21 out of 28 variables were initially zero. Simplification set additionally 2 variables to zero. 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:20:21,162 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:20:21,166 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:20:21,167 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:20:21,168 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 2147483647 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1 >= 0] [2020-10-26 04:20:21,317 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2020-10-26 04:20:21,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-26 04:20:21,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:20:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:20:21,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:20:21,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:20:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:20:21,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-26 04:20:21,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:20:21,459 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-26 04:20:21,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-26 04:20:21,526 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-26 04:20:21,530 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-26 04:20:21,580 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 04:20:21,584 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-26 04:20:21,585 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2020-10-26 04:20:21,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2020-10-26 04:20:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:20:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:20:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2020-10-26 04:20:21,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2020-10-26 04:20:21,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:20:21,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2020-10-26 04:20:21,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:20:21,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2020-10-26 04:20:21,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:20:21,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2020-10-26 04:20:21,690 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:20:21,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-10-26 04:20:21,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:20:21,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:20:21,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:20:21,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:20:21,691 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:20:21,691 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:20:21,691 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:20:21,691 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:20:21,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:20:21,691 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:20:21,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:20:21,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:20:21 BoogieIcfgContainer [2020-10-26 04:20:21,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:20:21,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:20:21,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:20:21,700 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:20:21,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:20:18" (3/4) ... [2020-10-26 04:20:21,706 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:20:21,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:20:21,708 INFO L168 Benchmark]: Toolchain (without parser) took 5002.11 ms. Allocated memory was 41.9 MB in the beginning and 81.8 MB in the end (delta: 39.8 MB). Free memory was 19.1 MB in the beginning and 24.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:20:21,710 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 41.9 MB. Free memory was 22.9 MB in the beginning and 22.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:20:21,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.48 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 31.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:20:21,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.80 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 29.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:20:21,713 INFO L168 Benchmark]: Boogie Preprocessor took 55.21 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 28.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:20:21,714 INFO L168 Benchmark]: RCFGBuilder took 568.77 ms. Allocated memory is still 54.5 MB. Free memory was 28.3 MB in the beginning and 28.9 MB in the end (delta: -614.9 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:20:21,715 INFO L168 Benchmark]: BuchiAutomizer took 3660.33 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 28.6 MB in the beginning and 25.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2020-10-26 04:20:21,715 INFO L168 Benchmark]: Witness Printer took 6.48 ms. Allocated memory is still 81.8 MB. Free memory was 25.3 MB in the beginning and 24.7 MB in the end (delta: 571.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:20:21,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 41.9 MB. Free memory was 22.9 MB in the beginning and 22.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 601.48 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 31.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.80 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 29.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.21 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 28.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 568.77 ms. Allocated memory is still 54.5 MB. Free memory was 28.3 MB in the beginning and 28.9 MB in the end (delta: -614.9 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3660.33 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 28.6 MB in the beginning and 25.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.48 ms. Allocated memory is still 81.8 MB. Free memory was 25.3 MB in the beginning and 24.7 MB in the end (delta: 571.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax108 hnf99 lsp88 ukn69 mio100 lsp39 div100 bol100 ite100 ukn100 eq158 hnf90 smp92 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...