./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --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-crafted/SyntaxSupportPointer01-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:24:23,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:24:23,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:24:23,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:24:23,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:24:23,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:24:23,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:24:23,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:24:23,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:24:23,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:24:23,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:24:23,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:24:23,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:24:23,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:24:23,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:24:23,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:24:23,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:24:23,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:24:23,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:24:23,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:24:23,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:24:23,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:24:23,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:24:23,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:24:23,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:24:23,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:24:23,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:24:23,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:24:23,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:24:23,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:24:23,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:24:23,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:24:23,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:24:23,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:24:23,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:24:23,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:24:23,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:24:23,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:24:23,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:24:23,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:24:23,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:24:23,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:24:23,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:24:23,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:24:23,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:24:23,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:24:23,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:24:23,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:24:23,578 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:24:23,578 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:24:23,579 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:24:23,579 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:24:23,579 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:24:23,580 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:24:23,580 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:24:23,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:24:23,580 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:24:23,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:24:23,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:24:23,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:24:23,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:24:23,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:24:23,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:24:23,581 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:24:23,581 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:24:23,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:24:23,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:24:23,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:24:23,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:24:23,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:24:23,583 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:24:23,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 [2022-02-21 03:24:23,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:24:23,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:24:23,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:24:23,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:24:23,867 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:24:23,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2022-02-21 03:24:23,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f592a4384/1fd62a205f80476a9f4b964a9901d13a/FLAGd0762faa7 [2022-02-21 03:24:24,224 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:24:24,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2022-02-21 03:24:24,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f592a4384/1fd62a205f80476a9f4b964a9901d13a/FLAGd0762faa7 [2022-02-21 03:24:24,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f592a4384/1fd62a205f80476a9f4b964a9901d13a [2022-02-21 03:24:24,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:24:24,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:24:24,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:24:24,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:24:24,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:24:24,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0afbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24, skipping insertion in model container [2022-02-21 03:24:24,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:24:24,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:24:24,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:24:24,845 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:24:24,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:24:24,868 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:24:24,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24 WrapperNode [2022-02-21 03:24:24,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:24:24,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:24:24,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:24:24,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:24:24,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,894 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-02-21 03:24:24,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:24:24,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:24:24,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:24:24,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:24:24,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:24:24,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:24:24,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:24:24,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:24:24,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (1/1) ... [2022-02-21 03:24:24,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:24,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:24,947 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 03:24:24,953 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 03:24:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:24:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-21 03:24:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:24:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:24:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:24:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:24:25,027 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:24:25,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:24:25,170 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:24:25,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:24:25,174 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:24:25,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:24:25 BoogieIcfgContainer [2022-02-21 03:24:25,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:24:25,176 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:24:25,176 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:24:25,193 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:24:25,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:24:25,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:24:24" (1/3) ... [2022-02-21 03:24:25,195 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f96f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:24:25, skipping insertion in model container [2022-02-21 03:24:25,195 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:24:25,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:24" (2/3) ... [2022-02-21 03:24:25,195 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f96f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:24:25, skipping insertion in model container [2022-02-21 03:24:25,195 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:24:25,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:24:25" (3/3) ... [2022-02-21 03:24:25,196 INFO L388 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-3.c [2022-02-21 03:24:25,245 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:24:25,245 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:24:25,245 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:24:25,245 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:24:25,245 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:24:25,245 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:24:25,245 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:24:25,245 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:24:25,272 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 03:24:25,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:24:25,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:24:25,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:24:25,302 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:24:25,302 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:24:25,302 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:24:25,302 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 03:24:25,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:24:25,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:24:25,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:24:25,304 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:24:25,304 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:24:25,308 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~mem2#1, main_#t~post3#1, main_#t~mem1#1, main_~p~0#1.base, main_~p~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnHeap(4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset; 6#L15-3true [2022-02-21 03:24:25,309 INFO L793 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem1#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 7#L15-1true assume !!(main_#t~mem1#1 >= 0);havoc main_#t~mem1#1;call main_#t~mem2#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4);main_#t~post3#1 := main_#t~mem2#1;call write~int(main_#t~post3#1 - 1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~mem2#1;havoc main_#t~post3#1; 6#L15-3true [2022-02-21 03:24:25,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:24:25,322 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-02-21 03:24:25,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:24:25,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318557648] [2022-02-21 03:24:25,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:24:25,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:24:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:25,422 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:24:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:25,447 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:24:25,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:24:25,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2022-02-21 03:24:25,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:24:25,451 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998347448] [2022-02-21 03:24:25,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:24:25,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:24:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:25,477 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:24:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:25,498 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:24:25,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:24:25,500 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-02-21 03:24:25,500 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:24:25,500 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731842461] [2022-02-21 03:24:25,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:24:25,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:24:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:25,553 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:24:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:25,579 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:24:25,736 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:24:25,736 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:24:25,737 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:24:25,737 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:24:25,737 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:24:25,737 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:25,737 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:24:25,737 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:24:25,737 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-3.c_Iteration1_Lasso [2022-02-21 03:24:25,737 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:24:25,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:24:25,748 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 03:24:25,754 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 03:24:25,809 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 03:24:25,811 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 03:24:25,813 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 03:24:25,815 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 03:24:25,817 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 03:24:25,820 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 03:24:25,822 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 03:24:25,981 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:24:25,991 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:24:25,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:25,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:25,994 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 03:24:26,008 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 03:24:26,009 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 03:24:26,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:26,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:26,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:26,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:26,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:24:26,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:24:26,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:24:26,065 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 03:24:26,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:26,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:26,084 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 03:24:26,089 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 03:24:26,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:26,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:26,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:26,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:26,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:24:26,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:24:26,104 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 03:24:26,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:24:26,129 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 [2022-02-21 03:24:26,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:26,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:26,140 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 03:24:26,145 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 03:24:26,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:26,151 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-02-21 03:24:26,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:26,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:26,156 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-02-21 03:24:26,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:24:26,162 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 03:24:26,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:24:26,201 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 [2022-02-21 03:24:26,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:26,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:26,202 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 03:24:26,204 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 03:24:26,205 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 03:24:26,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:26,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:26,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:26,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:26,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:24:26,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:24:26,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:24:26,265 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 03:24:26,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:26,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:26,267 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 03:24:26,283 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 03:24:26,284 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 03:24:26,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:26,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:26,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:26,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:26,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:24:26,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:24:26,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:24:26,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-02-21 03:24:26,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:26,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:26,336 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 03:24:26,336 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 03:24:26,339 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 03:24:26,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:26,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:24:26,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:26,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:26,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:26,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:24:26,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:24:26,363 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:24:26,368 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-02-21 03:24:26,369 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-02-21 03:24:26,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:26,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:26,387 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 03:24:26,388 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 03:24:26,389 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:24:26,389 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 03:24:26,390 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:24:26,390 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1 + 1 Supporting invariants [] [2022-02-21 03:24:26,408 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 03:24:26,420 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-02-21 03:24:26,424 INFO L390 LassoCheck]: Loop: "call main_#t~mem1#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4);" "assume !!(main_#t~mem1#1 >= 0);havoc main_#t~mem1#1;call main_#t~mem2#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4);main_#t~post3#1 := main_#t~mem2#1;call write~int(main_#t~post3#1 - 1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~mem2#1;havoc main_#t~post3#1;" [2022-02-21 03:24:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:26,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:24:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:26,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:24:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:26,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:24:26,469 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 03:24:26,469 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~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~mem2#1, main_#t~post3#1, main_#t~mem1#1, main_~p~0#1.base, main_~p~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnHeap(4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset; {18#unseeded} is VALID [2022-02-21 03:24:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:26,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-21 03:24:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:26,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:24:26,502 INFO L290 TraceCheckUtils]: 0: Hoare triple {21#(>= oldRank0 (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)) 1))} call main_#t~mem1#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); {44#(and (>= oldRank0 (+ (* (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) 1)) (<= |ULTIMATE.start_main_#t~mem1#1| (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)))} is VALID [2022-02-21 03:24:26,503 INFO L290 TraceCheckUtils]: 1: Hoare triple {44#(and (>= oldRank0 (+ (* (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) 1)) (<= |ULTIMATE.start_main_#t~mem1#1| (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)))} assume !!(main_#t~mem1#1 >= 0);havoc main_#t~mem1#1;call main_#t~mem2#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4);main_#t~post3#1 := main_#t~mem2#1;call write~int(main_#t~post3#1 - 1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~mem2#1;havoc main_#t~post3#1; {36#(or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)) 1))))} is VALID [2022-02-21 03:24:26,503 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 03:24:26,519 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 03:24:26,525 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 03:24:26,526 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 03:24:26,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,530 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 03:24:26,531 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 03:24:26,571 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 18 states and 20 transitions. Complement of second has 7 states. [2022-02-21 03:24:26,571 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 03:24:26,572 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:24:26,572 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 03:24:26,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:24:26,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:24:26,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:24:26,573 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 03:24:26,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:24:26,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:24:26,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:24:26,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2022-02-21 03:24:26,576 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:24:26,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:24:26,577 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 03:24:26,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:24:26,578 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:24:26,578 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 03:24:26,579 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:24:26,579 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:24:26,579 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 18 states and 20 transitions. cyclomatic complexity: 3 [2022-02-21 03:24:26,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. cyclomatic complexity: 3 [2022-02-21 03:24:26,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:24:26,579 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:24:26,580 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 03:24:26,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,580 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 03:24:26,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:26,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,581 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 03:24:26,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,581 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 03:24:26,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:24:26,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,581 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 18 letters. Loop has 18 letters. [2022-02-21 03:24:26,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,582 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 18 letters. Loop has 18 letters. [2022-02-21 03:24:26,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 18 letters. Loop has 18 letters. [2022-02-21 03:24:26,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,582 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 03:24:26,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,583 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 03:24:26,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:24:26,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,583 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 03:24:26,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,583 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 03:24:26,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:24:26,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,584 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 03:24:26,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,584 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 03:24:26,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:24:26,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,585 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 03:24:26,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,585 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 03:24:26,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:26,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,586 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 03:24:26,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,586 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 03:24:26,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:24:26,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,586 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 03:24:26,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,587 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 03:24:26,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 20 transitions. cyclomatic complexity: 3 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:24:26,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,587 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:24:26,590 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 03:24:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-02-21 03:24:26,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:26,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:24:26,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:24:26,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:26,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. cyclomatic complexity: 3 [2022-02-21 03:24:26,593 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:24:26,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-02-21 03:24:26,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:24:26,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:24:26,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:24:26,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:24:26,596 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:24:26,596 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:24:26,596 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:24:26,596 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:24:26,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:24:26,597 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:24:26,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:24:26,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:24:26 BoogieIcfgContainer [2022-02-21 03:24:26,601 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:24:26,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:24:26,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:24:26,602 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:24:26,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:24:25" (3/4) ... [2022-02-21 03:24:26,604 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:24:26,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:24:26,605 INFO L158 Benchmark]: Toolchain (without parser) took 1948.36ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 53.2MB in the beginning and 51.8MB in the end (delta: 1.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-02-21 03:24:26,606 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 88.1MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:24:26,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.04ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 53.0MB in the beginning and 83.4MB in the end (delta: -30.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-02-21 03:24:26,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.17ms. Allocated memory is still 107.0MB. Free memory was 83.4MB in the beginning and 82.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:24:26,607 INFO L158 Benchmark]: Boogie Preprocessor took 20.95ms. Allocated memory is still 107.0MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:24:26,607 INFO L158 Benchmark]: RCFGBuilder took 257.44ms. Allocated memory is still 107.0MB. Free memory was 80.8MB in the beginning and 71.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:24:26,607 INFO L158 Benchmark]: BuchiAutomizer took 1425.55ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 52.3MB in the end (delta: 18.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-02-21 03:24:26,608 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 107.0MB. Free memory was 52.3MB in the beginning and 51.8MB in the end (delta: 510.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:24:26,610 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 0.13ms. Allocated memory is still 88.1MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.04ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 53.0MB in the beginning and 83.4MB in the end (delta: -30.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.17ms. Allocated memory is still 107.0MB. Free memory was 83.4MB in the beginning and 82.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.95ms. Allocated memory is still 107.0MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 257.44ms. Allocated memory is still 107.0MB. Free memory was 80.8MB in the beginning and 71.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1425.55ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 52.3MB in the end (delta: 18.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 107.0MB. Free memory was 52.3MB in the beginning and 51.8MB in the end (delta: 510.9kB). 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 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp92 ukn60 mio100 lsp34 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf109 smp91 tf100 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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 03:24:26,632 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 03:24:26,848 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