./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/BrockschmidtCookFuhs-2013CAV-Introduction-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 c2e315411d969cb3046ee1b0f8c72e37aab101dc44bd506c8dc4443f0f8c96dc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:30:33,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:30:33,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:30:33,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:30:33,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:30:33,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:30:33,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:30:33,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:30:33,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:30:33,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:30:33,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:30:33,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:30:33,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:30:33,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:30:33,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:30:33,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:30:33,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:30:33,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:30:33,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:30:33,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:30:33,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:30:33,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:30:33,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:30:33,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:30:33,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:30:33,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:30:33,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:30:33,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:30:33,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:30:33,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:30:33,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:30:33,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:30:33,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:30:33,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:30:33,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:30:33,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:30:33,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:30:33,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:30:33,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:30:33,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:30:33,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:30:33,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:30:33,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:30:33,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:30:33,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:30:33,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:30:33,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:30:33,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:30:33,694 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:30:33,694 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:30:33,694 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:30:33,695 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:30:33,695 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:30:33,695 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:30:33,696 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:30:33,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:30:33,696 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:30:33,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:30:33,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:30:33,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:30:33,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:30:33,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:30:33,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:30:33,697 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:30:33,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:30:33,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:30:33,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:30:33,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:30:33,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:30:33,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:30:33,700 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:30:33,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e315411d969cb3046ee1b0f8c72e37aab101dc44bd506c8dc4443f0f8c96dc [2022-02-21 03:30:33,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:30:33,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:30:33,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:30:33,941 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:30:33,941 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:30:33,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2022-02-21 03:30:33,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395eb41ae/06df5b87b8804c39bc399625c5bb817c/FLAG91a632ef7 [2022-02-21 03:30:34,382 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:30:34,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2022-02-21 03:30:34,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395eb41ae/06df5b87b8804c39bc399625c5bb817c/FLAG91a632ef7 [2022-02-21 03:30:34,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395eb41ae/06df5b87b8804c39bc399625c5bb817c [2022-02-21 03:30:34,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:30:34,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:30:34,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:30:34,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:30:34,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:30:34,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:30:34" (1/1) ... [2022-02-21 03:30:34,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1e064f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:34, skipping insertion in model container [2022-02-21 03:30:34,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:30:34" (1/1) ... [2022-02-21 03:30:34,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:30:34,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:30:35,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:30:35,032 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:30:35,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:30:35,077 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:30:35,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35 WrapperNode [2022-02-21 03:30:35,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:30:35,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:30:35,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:30:35,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:30:35,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,110 INFO L137 Inliner]: procedures = 109, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-02-21 03:30:35,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:30:35,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:30:35,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:30:35,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:30:35,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:30:35,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:30:35,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:30:35,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:30:35,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (1/1) ... [2022-02-21 03:30:35,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:35,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:35,159 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) [2022-02-21 03:30:35,160 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 [2022-02-21 03:30:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:30:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:30:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:30:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:30:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:30:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:30:35,253 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:30:35,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:30:35,406 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:30:35,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:30:35,416 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:30:35,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:30:35 BoogieIcfgContainer [2022-02-21 03:30:35,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:30:35,419 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:30:35,419 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:30:35,436 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:30:35,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:30:35,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:30:34" (1/3) ... [2022-02-21 03:30:35,439 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@375549c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:30:35, skipping insertion in model container [2022-02-21 03:30:35,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:30:35,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:35" (2/3) ... [2022-02-21 03:30:35,439 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@375549c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:30:35, skipping insertion in model container [2022-02-21 03:30:35,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:30:35,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:30:35" (3/3) ... [2022-02-21 03:30:35,440 INFO L388 chiAutomizerObserver]: Analyzing ICFG BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2022-02-21 03:30:35,488 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:30:35,488 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:30:35,488 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:30:35,488 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:30:35,488 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:30:35,488 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:30:35,488 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:30:35,488 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:30:35,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:35,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:30:35,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:30:35,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:30:35,555 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:30:35,555 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:30:35,555 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:30:35,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:35,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:30:35,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:30:35,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:30:35,558 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:30:35,558 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:30:35,566 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(1, main_~y~0#1.base, main_~y~0#1.offset, 4); 6#L550-3true [2022-02-21 03:30:35,566 INFO L793 eck$LassoCheckResult]: Loop: 6#L550-3true call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 8#L550-1true assume !!(main_#t~mem4#1 > 0);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem5#1 - main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem7#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem7#1; 6#L550-3true [2022-02-21 03:30:35,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:30:35,576 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-02-21 03:30:35,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:30:35,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646897527] [2022-02-21 03:30:35,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:30:35,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:30:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:35,707 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:30:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:35,754 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:30:35,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:30:35,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2022-02-21 03:30:35,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:30:35,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556155475] [2022-02-21 03:30:35,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:30:35,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:30:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:35,799 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:30:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:35,824 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:30:35,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:30:35,825 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-02-21 03:30:35,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:30:35,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680017730] [2022-02-21 03:30:35,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:30:35,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:30:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:35,870 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:30:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:35,894 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:30:36,279 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:30:36,280 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:30:36,280 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:30:36,280 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:30:36,281 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:30:36,281 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:36,281 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:30:36,281 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:30:36,282 INFO L133 ssoRankerPreferences]: Filename of dumped script: BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i_Iteration1_Lasso [2022-02-21 03:30:36,282 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:30:36,282 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:30:36,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:36,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:30:36,986 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:30:36,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:36,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:36,993 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) [2022-02-21 03:30:36,994 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 [2022-02-21 03:30:36,994 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 [2022-02-21 03:30:37,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:30:37,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:30:37,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:30:37,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:37,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-02-21 03:30:37,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,039 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) [2022-02-21 03:30:37,042 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 [2022-02-21 03:30:37,043 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 [2022-02-21 03:30:37,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:30:37,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:30:37,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:30:37,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:37,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-02-21 03:30:37,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,085 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) [2022-02-21 03:30:37,085 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 [2022-02-21 03:30:37,087 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 [2022-02-21 03:30:37,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:37,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:37,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:37,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-02-21 03:30:37,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,131 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) [2022-02-21 03:30:37,132 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 [2022-02-21 03:30:37,133 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 [2022-02-21 03:30:37,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:37,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:37,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:37,185 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 [2022-02-21 03:30:37,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,187 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) [2022-02-21 03:30:37,188 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 [2022-02-21 03:30:37,190 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 [2022-02-21 03:30:37,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:37,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:37,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:37,223 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 [2022-02-21 03:30:37,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,226 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) [2022-02-21 03:30:37,227 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 [2022-02-21 03:30:37,228 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 [2022-02-21 03:30:37,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:37,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:37,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:37,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-02-21 03:30:37,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,281 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) [2022-02-21 03:30:37,282 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 [2022-02-21 03:30:37,283 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 [2022-02-21 03:30:37,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:37,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:37,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:37,324 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 [2022-02-21 03:30:37,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,326 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) [2022-02-21 03:30:37,327 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 [2022-02-21 03:30:37,328 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 [2022-02-21 03:30:37,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:37,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:37,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:37,377 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 [2022-02-21 03:30:37,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,378 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) [2022-02-21 03:30:37,379 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 [2022-02-21 03:30:37,381 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 [2022-02-21 03:30:37,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:37,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:37,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:37,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:37,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:37,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:37,402 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:30:37,424 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-02-21 03:30:37,424 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-02-21 03:30:37,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:37,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:37,430 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) [2022-02-21 03:30:37,432 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 [2022-02-21 03:30:37,434 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:30:37,450 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-02-21 03:30:37,450 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:30:37,451 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 - 1 >= 0] [2022-02-21 03:30:37,471 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 [2022-02-21 03:30:37,559 INFO L297 tatePredicateManager]: 9 out of 12 supporting invariants were superfluous and have been removed [2022-02-21 03:30:37,569 INFO L390 LassoCheck]: Loop: "call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);" "assume !!(main_#t~mem4#1 > 0);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem5#1 - main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem7#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem7#1;" [2022-02-21 03:30:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:37,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:30:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:37,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-21 03:30:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:37,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:30:37,631 INFO L290 TraceCheckUtils]: 0: Hoare triple {18#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {18#unseeded} is VALID [2022-02-21 03:30:37,632 INFO L290 TraceCheckUtils]: 1: Hoare triple {18#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(1, main_~y~0#1.base, main_~y~0#1.offset, 4); {94#(and (>= (+ (- 1) (select (select |#memory_int| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 0) (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~x~0#1.base|)) unseeded)} is VALID [2022-02-21 03:30:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:37,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-21 03:30:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:37,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:30:37,685 INFO L290 TraceCheckUtils]: 0: Hoare triple {95#(and (>= (+ (- 1) (select (select |#memory_int| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 0) (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (>= oldRank0 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); {106#(and (>= (+ (- 1) (select (select |#memory_int| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 0) (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (>= oldRank0 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= |ULTIMATE.start_main_#t~mem4#1| (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-21 03:30:37,687 INFO L290 TraceCheckUtils]: 1: Hoare triple {106#(and (>= (+ (- 1) (select (select |#memory_int| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 0) (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (>= oldRank0 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= |ULTIMATE.start_main_#t~mem4#1| (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} assume !!(main_#t~mem4#1 > 0);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem5#1 - main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem7#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem7#1; {97#(and (>= (+ (- 1) (select (select |#memory_int| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 0) (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (or unseeded (and (>= oldRank0 0) (> oldRank0 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-21 03:30:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:30:37,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:37,718 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:30:37,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:30:37,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,724 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:30:37,724 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:37,780 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 17 transitions. Complement of second has 8 states. [2022-02-21 03:30:37,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-02-21 03:30:37,780 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:30:37,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:37,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:30:37,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:30:37,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:30:37,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:37,783 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:30:37,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:30:37,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:30:37,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-02-21 03:30:37,783 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:30:37,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:30:37,785 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:37,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:30:37,786 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:30:37,786 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:37,786 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:30:37,786 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:30:37,786 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 17 transitions. cyclomatic complexity: 3 [2022-02-21 03:30:37,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. cyclomatic complexity: 3 [2022-02-21 03:30:37,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:30:37,787 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:30:37,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:30:37,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:30:37,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:30:37,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:30:37,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:30:37,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:30:37,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:30:37,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:30:37,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:30:37,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:30:37,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:30:37,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:30:37,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:30:37,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:30:37,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:30:37,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:30:37,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:30:37,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:30:37,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:30:37,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:30:37,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:30:37,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:30:37,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:30:37,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:30:37,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:30:37,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:30:37,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:30:37,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,792 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:30:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-02-21 03:30:37,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:30:37,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:30:37,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:37,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:37,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. cyclomatic complexity: 3 [2022-02-21 03:30:37,797 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:30:37,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-02-21 03:30:37,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:30:37,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:30:37,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:30:37,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:30:37,799 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:30:37,799 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:30:37,799 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:30:37,799 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:30:37,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:30:37,800 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:30:37,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:30:37,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:30:37 BoogieIcfgContainer [2022-02-21 03:30:37,804 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:30:37,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:30:37,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:30:37,804 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:30:37,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:30:35" (3/4) ... [2022-02-21 03:30:37,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:30:37,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:30:37,807 INFO L158 Benchmark]: Toolchain (without parser) took 3064.90ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.4MB in the beginning and 60.2MB in the end (delta: 10.2MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2022-02-21 03:30:37,807 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:30:37,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.39ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 72.3MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:30:37,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 102.8MB. Free memory was 72.1MB in the beginning and 70.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:30:37,808 INFO L158 Benchmark]: Boogie Preprocessor took 15.20ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:30:37,809 INFO L158 Benchmark]: RCFGBuilder took 291.31ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 58.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:30:37,809 INFO L158 Benchmark]: BuchiAutomizer took 2384.65ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 58.1MB in the beginning and 61.1MB in the end (delta: -3.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-02-21 03:30:37,809 INFO L158 Benchmark]: Witness Printer took 2.19ms. Allocated memory is still 123.7MB. Free memory was 61.1MB in the beginning and 60.2MB in the end (delta: 887.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:30:37,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.39ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 72.3MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 102.8MB. Free memory was 72.1MB in the beginning and 70.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.20ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.31ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 58.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2384.65ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 58.1MB in the beginning and 61.1MB in the end (delta: -3.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Witness Printer took 2.19ms. Allocated memory is still 123.7MB. Free memory was 61.1MB in the beginning and 60.2MB in the end (delta: 887.8kB). 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 unknown-#memory_int-unknown[x][x] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax108 hnf100 lsp89 ukn60 mio100 lsp41 div100 bol100 ite100 ukn100 eq172 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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! [2022-02-21 03:30:37,834 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 [2022-02-21 03:30:38,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE