./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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-recursive-malloc/mutual_simple.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 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:09:30,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:09:30,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:09:30,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:09:30,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:09:30,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:09:30,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:09:30,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:09:30,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:09:30,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:09:30,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:09:30,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:09:30,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:09:30,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:09:30,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:09:30,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:09:30,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:09:30,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:09:30,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:09:30,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:09:30,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:09:30,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:09:30,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:09:30,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:09:30,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:09:30,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:09:30,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:09:30,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:09:30,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:09:30,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:09:30,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:09:30,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:09:30,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:09:30,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:09:30,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:09:30,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:09:30,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:09:30,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:09:30,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:09:30,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:09:30,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:09:30,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-14 23:09:30,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:09:30,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:09:30,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:09:30,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:09:30,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:09:30,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:09:30,165 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:09:30,165 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:09:30,165 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:09:30,165 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:09:30,166 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:09:30,166 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:09:30,166 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:09:30,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:09:30,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:09:30,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:09:30,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:09:30,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:09:30,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:09:30,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:09:30,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:09:30,168 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:09:30,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:09:30,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:09:30,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:09:30,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:09:30,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:09:30,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:09:30,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:09:30,170 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:09:30,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 [2021-12-14 23:09:30,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:09:30,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:09:30,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:09:30,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:09:30,374 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:09:30,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2021-12-14 23:09:30,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762f89a79/5e2308c57bd145e1bffa40e4e32cdf2c/FLAG17ec6209e [2021-12-14 23:09:30,774 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:09:30,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2021-12-14 23:09:30,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762f89a79/5e2308c57bd145e1bffa40e4e32cdf2c/FLAG17ec6209e [2021-12-14 23:09:31,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762f89a79/5e2308c57bd145e1bffa40e4e32cdf2c [2021-12-14 23:09:31,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:09:31,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:09:31,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:09:31,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:09:31,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:09:31,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6eca72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31, skipping insertion in model container [2021-12-14 23:09:31,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:09:31,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:09:31,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:09:31,345 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:09:31,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:09:31,367 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:09:31,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31 WrapperNode [2021-12-14 23:09:31,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:09:31,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:09:31,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:09:31,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:09:31,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,398 INFO L137 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2021-12-14 23:09:31,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:09:31,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:09:31,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:09:31,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:09:31,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:09:31,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:09:31,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:09:31,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:09:31,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (1/1) ... [2021-12-14 23:09:31,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:31,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:31,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:31,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-14 23:09:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 23:09:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 23:09:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-12-14 23:09:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-12-14 23:09:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-12-14 23:09:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-12-14 23:09:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:09:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:09:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 23:09:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 23:09:31,543 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:09:31,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:09:31,616 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:09:31,621 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:09:31,621 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 23:09:31,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:31 BoogieIcfgContainer [2021-12-14 23:09:31,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:09:31,623 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:09:31,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:09:31,626 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:09:31,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:09:31,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:09:31" (1/3) ... [2021-12-14 23:09:31,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ddc8282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:09:31, skipping insertion in model container [2021-12-14 23:09:31,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:09:31,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:31" (2/3) ... [2021-12-14 23:09:31,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ddc8282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:09:31, skipping insertion in model container [2021-12-14 23:09:31,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:09:31,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:31" (3/3) ... [2021-12-14 23:09:31,630 INFO L388 chiAutomizerObserver]: Analyzing ICFG mutual_simple.i [2021-12-14 23:09:31,666 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:09:31,666 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:09:31,666 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:09:31,666 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:09:31,666 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:09:31,666 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:09:31,667 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:09:31,667 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:09:31,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-14 23:09:31,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-14 23:09:31,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:09:31,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:09:31,716 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-14 23:09:31,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-14 23:09:31,716 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:09:31,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-14 23:09:31,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-14 23:09:31,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:09:31,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:09:31,719 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-14 23:09:31,719 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-14 23:09:31,723 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call write~int(main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet6#1; 13#L37true call f(main_~p1~0#1.base, main_~p1~0#1.offset);< 11#fENTRYtrue [2021-12-14 23:09:31,723 INFO L793 eck$LassoCheckResult]: Loop: 11#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~q.base, ~q.offset, 4); 16#L13true assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem2 := read~int(~q.base, ~q.offset, 4);#t~post3 := #t~mem2;call write~int(#t~post3 - 1, ~q.base, ~q.offset, 4);havoc #t~mem2;havoc #t~post3; 18#L17true call g(~q.base, ~q.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4); 15#L22true assume !(#t~mem4 < 0);havoc #t~mem4; 6#L25true call f(~p.base, ~p.offset);< 11#fENTRYtrue [2021-12-14 23:09:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:31,727 INFO L85 PathProgramCache]: Analyzing trace with hash 43767, now seen corresponding path program 1 times [2021-12-14 23:09:31,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:31,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862261372] [2021-12-14 23:09:31,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:31,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:31,827 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:31,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:31,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:31,874 INFO L85 PathProgramCache]: Analyzing trace with hash 891860259, now seen corresponding path program 1 times [2021-12-14 23:09:31,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:31,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651027388] [2021-12-14 23:09:31,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:31,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:31,908 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:31,924 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash -306262119, now seen corresponding path program 1 times [2021-12-14 23:09:31,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:31,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136141934] [2021-12-14 23:09:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:31,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:31,944 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:31,978 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:32,752 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:09:32,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:09:32,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:09:32,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:09:32,753 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:09:32,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:32,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:09:32,754 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:09:32,754 INFO L133 ssoRankerPreferences]: Filename of dumped script: mutual_simple.i_Iteration1_Lasso [2021-12-14 23:09:32,754 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:09:32,754 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:09:32,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:32,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:33,102 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:09:33,105 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:09:33,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:33,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:33,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:33,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-14 23:09:33,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-14 23:09:33,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:33,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:33,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:33,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-14 23:09:33,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:33,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:33,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:33,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-14 23:09:33,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:33,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:33,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,320 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-14 23:09:33,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:33,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:33,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:33,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,360 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-14 23:09:33,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:33,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:33,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:33,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-14 23:09:33,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,391 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-14 23:09:33,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:33,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:33,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:33,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,424 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-14 23:09:33,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:33,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:33,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:33,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,449 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-14 23:09:33,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:33,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:33,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:33,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,492 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-14 23:09:33,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:33,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:33,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:33,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:33,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:33,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:33,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:33,516 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:09:33,545 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-14 23:09:33,546 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-14 23:09:33,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:33,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:33,556 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:33,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-14 23:09:33,600 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:09:33,621 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-14 23:09:33,621 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:09:33,622 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select old(#memory_int) f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [1*v_rep(select (select old(#memory_int) f_#in~q.base) f_#in~q.offset)_1 - 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 >= 0] [2021-12-14 23:09:33,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,651 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-14 23:09:33,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:33,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-14 23:09:33,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:09:33,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:33,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-14 23:09:33,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:09:33,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-12-14 23:09:33,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-14 23:09:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:09:33,948 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-12-14 23:09:33,949 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:09:34,166 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 53 transitions. Complement of second has 22 states. [2021-12-14 23:09:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-12-14 23:09:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:09:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2021-12-14 23:09:34,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2021-12-14 23:09:34,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:34,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2021-12-14 23:09:34,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:34,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2021-12-14 23:09:34,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:34,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 53 transitions. [2021-12-14 23:09:34,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:09:34,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2021-12-14 23:09:34,189 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:09:34,189 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:09:34,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:09:34,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:09:34,190 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:09:34,190 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:09:34,190 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:09:34,190 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:09:34,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:09:34,190 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:09:34,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:09:34,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:09:34 BoogieIcfgContainer [2021-12-14 23:09:34,196 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:09:34,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:09:34,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:09:34,197 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:09:34,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:31" (3/4) ... [2021-12-14 23:09:34,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:09:34,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:09:34,204 INFO L158 Benchmark]: Toolchain (without parser) took 2992.88ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 56.0MB in the beginning and 59.6MB in the end (delta: -3.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-12-14 23:09:34,207 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:09:34,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.19ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 55.8MB in the beginning and 90.4MB in the end (delta: -34.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:09:34,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.19ms. Allocated memory is still 113.2MB. Free memory was 90.4MB in the beginning and 89.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:09:34,210 INFO L158 Benchmark]: Boogie Preprocessor took 22.94ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 88.3MB in the end (delta: 625.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:09:34,210 INFO L158 Benchmark]: RCFGBuilder took 199.51ms. Allocated memory is still 113.2MB. Free memory was 88.3MB in the beginning and 78.5MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 23:09:34,213 INFO L158 Benchmark]: BuchiAutomizer took 2572.63ms. Allocated memory is still 113.2MB. Free memory was 78.5MB in the beginning and 60.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-12-14 23:09:34,213 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 113.2MB. Free memory was 60.4MB in the beginning and 59.6MB in the end (delta: 779.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:09:34,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.19ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 55.8MB in the beginning and 90.4MB in the end (delta: -34.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.19ms. Allocated memory is still 113.2MB. Free memory was 90.4MB in the beginning and 89.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.94ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 88.3MB in the end (delta: 625.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 199.51ms. Allocated memory is still 113.2MB. Free memory was 88.3MB in the beginning and 78.5MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2572.63ms. Allocated memory is still 113.2MB. Free memory was 78.5MB in the beginning and 60.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 113.2MB. Free memory was 60.4MB in the beginning and 59.6MB in the end (delta: 779.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 \old(unknown-#memory_int-unknown)[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 11 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital105 mio100 ax100 hnf100 lsp94 ukn67 mio100 lsp32 div100 bol100 ite100 ukn100 eq172 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms 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! [2021-12-14 23:09:34,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE