./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.15-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 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:27:27,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:27:27,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:27:27,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:27:27,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:27:27,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:27:27,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:27:27,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:27:27,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:27:27,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:27:27,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:27:27,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:27:27,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:27:27,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:27:27,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:27:27,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:27:27,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:27:27,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:27:27,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:27:27,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:27:27,984 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:27:27,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:27:27,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:27:27,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:27:27,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:27:27,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:27:27,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:27:27,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:27:27,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:27:27,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:27:27,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:27:27,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:27:27,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:27:27,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:27:27,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:27:27,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:27:27,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:27:27,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:27:27,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:27:27,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:27:27,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:27:27,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:27:28,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:27:28,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:27:28,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:27:28,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:27:28,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:27:28,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:27:28,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:27:28,024 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:27:28,024 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:27:28,024 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:27:28,025 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:27:28,025 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:27:28,025 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:27:28,025 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:27:28,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:27:28,025 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:27:28,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:27:28,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:27:28,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:27:28,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:27:28,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:27:28,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:27:28,027 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:27:28,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:27:28,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:27:28,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:27:28,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:27:28,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:27:28,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:27:28,029 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:27:28,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 [2022-07-23 14:27:28,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:27:28,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:27:28,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:27:28,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:27:28,210 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:27:28,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2022-07-23 14:27:28,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042dafa2d/3ee6f11fe002461a84e841e989bf3adc/FLAG8a7c40839 [2022-07-23 14:27:28,583 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:27:28,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2022-07-23 14:27:28,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042dafa2d/3ee6f11fe002461a84e841e989bf3adc/FLAG8a7c40839 [2022-07-23 14:27:28,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042dafa2d/3ee6f11fe002461a84e841e989bf3adc [2022-07-23 14:27:28,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:27:28,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:27:29,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:27:29,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:27:29,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:27:29,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:27:28" (1/1) ... [2022-07-23 14:27:29,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ddb4ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29, skipping insertion in model container [2022-07-23 14:27:29,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:27:28" (1/1) ... [2022-07-23 14:27:29,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:27:29,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:27:29,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:27:29,248 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:27:29,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:27:29,317 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:27:29,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29 WrapperNode [2022-07-23 14:27:29,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:27:29,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:27:29,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:27:29,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:27:29,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,348 INFO L137 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2022-07-23 14:27:29,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:27:29,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:27:29,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:27:29,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:27:29,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:27:29,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:27:29,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:27:29,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:27:29,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (1/1) ... [2022-07-23 14:27:29,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:29,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:29,402 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) [2022-07-23 14:27:29,423 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 [2022-07-23 14:27:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 14:27:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 14:27:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 14:27:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 14:27:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:27:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:27:29,513 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:27:29,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:27:29,648 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:27:29,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:27:29,652 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 14:27:29,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:27:29 BoogieIcfgContainer [2022-07-23 14:27:29,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:27:29,654 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:27:29,654 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:27:29,656 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:27:29,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:27:29,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:27:28" (1/3) ... [2022-07-23 14:27:29,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ba28ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:27:29, skipping insertion in model container [2022-07-23 14:27:29,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:27:29,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:29" (2/3) ... [2022-07-23 14:27:29,658 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ba28ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:27:29, skipping insertion in model container [2022-07-23 14:27:29,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:27:29,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:27:29" (3/3) ... [2022-07-23 14:27:29,659 INFO L354 chiAutomizerObserver]: Analyzing ICFG b.15-alloca.i [2022-07-23 14:27:29,693 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:27:29,693 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:27:29,693 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:27:29,693 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:27:29,694 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:27:29,694 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:27:29,694 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:27:29,694 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:27:29,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-07-23 14:27:29,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 14:27:29,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:29,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:29,712 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:27:29,712 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-23 14:27:29,713 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:27:29,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-07-23 14:27:29,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 14:27:29,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:29,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:29,714 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:27:29,714 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-23 14:27:29,718 INFO L752 eck$LassoCheckResult]: Stem: 3#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~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 11#L558-4true [2022-07-23 14:27:29,719 INFO L754 eck$LassoCheckResult]: Loop: 11#L558-4true call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 10#L557-1true assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 9#L557-3true assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 5#L558-3true assume !true; 11#L558-4true [2022-07-23 14:27:29,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:29,728 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 14:27:29,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:29,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785050638] [2022-07-23 14:27:29,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:29,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:29,921 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:29,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:29,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:29,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1142256, now seen corresponding path program 1 times [2022-07-23 14:27:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:29,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355671123] [2022-07-23 14:27:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:29,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:27:30,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:27:30,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355671123] [2022-07-23 14:27:30,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355671123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:27:30,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:27:30,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-23 14:27:30,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971968835] [2022-07-23 14:27:30,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:27:30,022 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:27:30,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:27:30,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 14:27:30,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 14:27:30,051 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2022-07-23 14:27:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:27:30,054 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-07-23 14:27:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 14:27:30,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2022-07-23 14:27:30,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 14:27:30,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 9 transitions. [2022-07-23 14:27:30,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-07-23 14:27:30,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-07-23 14:27:30,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2022-07-23 14:27:30,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:27:30,069 INFO L369 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-07-23 14:27:30,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2022-07-23 14:27:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-23 14:27:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2022-07-23 14:27:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-07-23 14:27:30,087 INFO L392 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-07-23 14:27:30,087 INFO L374 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-07-23 14:27:30,087 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:27:30,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2022-07-23 14:27:30,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 14:27:30,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:30,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:30,088 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:27:30,088 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 14:27:30,089 INFO L752 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 36#L558-4 [2022-07-23 14:27:30,089 INFO L754 eck$LassoCheckResult]: Loop: 36#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 38#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 37#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 34#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 35#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 36#L558-4 [2022-07-23 14:27:30,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:30,091 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-07-23 14:27:30,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:30,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196618115] [2022-07-23 14:27:30,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:30,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:30,146 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:30,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:30,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:30,166 INFO L85 PathProgramCache]: Analyzing trace with hash 35409745, now seen corresponding path program 1 times [2022-07-23 14:27:30,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:30,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056005826] [2022-07-23 14:27:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:27:30,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:27:30,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056005826] [2022-07-23 14:27:30,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056005826] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:27:30,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:27:30,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 14:27:30,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838713881] [2022-07-23 14:27:30,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:27:30,260 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:27:30,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:27:30,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 14:27:30,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 14:27:30,261 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2022-07-23 14:27:30,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:27:30,334 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-07-23 14:27:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 14:27:30,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2022-07-23 14:27:30,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:30,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 12 transitions. [2022-07-23 14:27:30,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-23 14:27:30,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-23 14:27:30,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2022-07-23 14:27:30,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:27:30,337 INFO L369 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-07-23 14:27:30,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2022-07-23 14:27:30,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2022-07-23 14:27:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 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) [2022-07-23 14:27:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2022-07-23 14:27:30,339 INFO L392 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-23 14:27:30,339 INFO L374 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-23 14:27:30,339 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:27:30,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2022-07-23 14:27:30,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:30,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:30,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:30,341 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:27:30,341 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2022-07-23 14:27:30,341 INFO L752 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 65#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 69#L558-4 [2022-07-23 14:27:30,341 INFO L754 eck$LassoCheckResult]: Loop: 69#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 72#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 70#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 71#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 68#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 66#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 67#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 69#L558-4 [2022-07-23 14:27:30,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:30,343 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2022-07-23 14:27:30,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:30,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666513047] [2022-07-23 14:27:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:30,402 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:30,415 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:30,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:30,416 INFO L85 PathProgramCache]: Analyzing trace with hash -330970762, now seen corresponding path program 1 times [2022-07-23 14:27:30,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:30,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453701489] [2022-07-23 14:27:30,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:30,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:30,427 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:30,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:30,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:30,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1215326068, now seen corresponding path program 1 times [2022-07-23 14:27:30,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:30,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183417600] [2022-07-23 14:27:30,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:30,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:30,488 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:30,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:31,711 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:27:31,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:27:31,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:27:31,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:27:31,712 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:27:31,712 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:31,712 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:27:31,712 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:27:31,712 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.15-alloca.i_Iteration3_Lasso [2022-07-23 14:27:31,712 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:27:31,712 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:27:31,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:31,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:31,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:31,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:31,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:31,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:31,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:31,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:31,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:32,801 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:27:32,804 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:27:32,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:32,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:32,806 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) [2022-07-23 14:27:32,807 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 [2022-07-23 14:27:32,810 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 [2022-07-23 14:27:32,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:32,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:32,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:32,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:32,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:32,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:32,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:32,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:32,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:32,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:32,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:32,851 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) [2022-07-23 14:27:32,851 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 [2022-07-23 14:27:32,854 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 [2022-07-23 14:27:32,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:32,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:32,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:32,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:32,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:32,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:32,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:32,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:32,885 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 [2022-07-23 14:27:32,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:32,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:32,886 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) [2022-07-23 14:27:32,887 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 [2022-07-23 14:27:32,888 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 [2022-07-23 14:27:32,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:32,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:32,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:32,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:32,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:32,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:32,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:32,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:32,927 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 [2022-07-23 14:27:32,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:32,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:32,928 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) [2022-07-23 14:27:32,936 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 [2022-07-23 14:27:32,938 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 [2022-07-23 14:27:32,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:32,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:32,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:32,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:32,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:32,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:32,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:32,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:32,960 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 [2022-07-23 14:27:32,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:32,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:32,964 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) [2022-07-23 14:27:32,964 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 [2022-07-23 14:27:32,965 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 [2022-07-23 14:27:32,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:32,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:32,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:32,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:32,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:32,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:32,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:32,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:32,998 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 [2022-07-23 14:27:32,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:32,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:33,000 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) [2022-07-23 14:27:33,003 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 [2022-07-23 14:27:33,004 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 [2022-07-23 14:27:33,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:33,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:33,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:33,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:33,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:33,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:33,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:33,040 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 [2022-07-23 14:27:33,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:33,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:33,041 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) [2022-07-23 14:27:33,042 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 [2022-07-23 14:27:33,044 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 [2022-07-23 14:27:33,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:33,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:33,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:33,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:33,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:33,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:33,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:33,108 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 [2022-07-23 14:27:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:33,109 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) [2022-07-23 14:27:33,110 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 [2022-07-23 14:27:33,112 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 [2022-07-23 14:27:33,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:33,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:33,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:33,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:33,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:33,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:33,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:33,150 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 [2022-07-23 14:27:33,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:33,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:33,152 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) [2022-07-23 14:27:33,152 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 [2022-07-23 14:27:33,154 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 [2022-07-23 14:27:33,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:33,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:33,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:33,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:33,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:33,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:33,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:33,231 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 [2022-07-23 14:27:33,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:33,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:33,232 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) [2022-07-23 14:27:33,232 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 [2022-07-23 14:27:33,234 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 [2022-07-23 14:27:33,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:33,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:33,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:33,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:33,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:33,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:33,270 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:27:33,328 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-07-23 14:27:33,328 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-07-23 14:27:33,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:33,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:33,340 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:33,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-23 14:27:33,342 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:27:33,368 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-23 14:27:33,369 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:27:33,369 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_#in~z#1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = -1*ULTIMATE.start_test_fun_#in~z#1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1 - 1*ULTIMATE.start_test_fun_#in~z#1 >= 0] [2022-07-23 14:27:33,387 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 [2022-07-23 14:27:33,512 INFO L293 tatePredicateManager]: 37 out of 38 supporting invariants were superfluous and have been removed [2022-07-23 14:27:33,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:33,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-23 14:27:33,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:27:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:33,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-23 14:27:33,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:27:33,852 INFO L356 Elim1Store]: treesize reduction 187, result has 21.1 percent of original size [2022-07-23 14:27:33,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 147 treesize of output 129 [2022-07-23 14:27:33,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 14:27:33,884 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-07-23 14:27:33,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 51 [2022-07-23 14:27:33,896 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-07-23 14:27:33,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 14:27:33,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-07-23 14:27:33,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:27:34,222 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-07-23 14:27:34,223 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 7 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) [2022-07-23 14:27:34,297 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand has 7 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) Result 30 states and 36 transitions. Complement of second has 11 states. [2022-07-23 14:27:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-07-23 14:27:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 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) [2022-07-23 14:27:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2022-07-23 14:27:34,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 7 letters. [2022-07-23 14:27:34,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:34,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 9 letters. Loop has 7 letters. [2022-07-23 14:27:34,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:34,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 14 letters. [2022-07-23 14:27:34,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:34,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2022-07-23 14:27:34,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:34,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 29 transitions. [2022-07-23 14:27:34,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-23 14:27:34,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-23 14:27:34,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 29 transitions. [2022-07-23 14:27:34,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:27:34,304 INFO L369 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2022-07-23 14:27:34,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 29 transitions. [2022-07-23 14:27:34,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2022-07-23 14:27:34,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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) [2022-07-23 14:27:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-07-23 14:27:34,306 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-07-23 14:27:34,306 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-07-23 14:27:34,306 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 14:27:34,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-07-23 14:27:34,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:34,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:34,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:34,307 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-23 14:27:34,307 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2022-07-23 14:27:34,307 INFO L752 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 322#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 331#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 332#L557-1 assume !test_fun_#t~short10#1; 329#L557-3 [2022-07-23 14:27:34,307 INFO L754 eck$LassoCheckResult]: Loop: 329#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 323#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 324#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 327#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 340#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 339#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 338#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 329#L557-3 [2022-07-23 14:27:34,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:34,308 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-07-23 14:27:34,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:34,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577642055] [2022-07-23 14:27:34,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:34,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,324 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:34,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:34,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1223046876, now seen corresponding path program 2 times [2022-07-23 14:27:34,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:34,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180026089] [2022-07-23 14:27:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,351 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:34,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:34,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1112099563, now seen corresponding path program 1 times [2022-07-23 14:27:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:34,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021168533] [2022-07-23 14:27:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-23 14:27:34,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:27:34,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021168533] [2022-07-23 14:27:34,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021168533] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:27:34,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:27:34,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 14:27:34,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232680845] [2022-07-23 14:27:34,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:27:34,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:27:34,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 14:27:34,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 14:27:34,655 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-07-23 14:27:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:27:34,662 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2022-07-23 14:27:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 14:27:34,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2022-07-23 14:27:34,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:34,663 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 20 transitions. [2022-07-23 14:27:34,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-07-23 14:27:34,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-23 14:27:34,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2022-07-23 14:27:34,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:27:34,663 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-07-23 14:27:34,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2022-07-23 14:27:34,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-07-23 14:27:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 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) [2022-07-23 14:27:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-07-23 14:27:34,664 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-23 14:27:34,664 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-23 14:27:34,665 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-23 14:27:34,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2022-07-23 14:27:34,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:34,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:34,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:34,665 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-07-23 14:27:34,665 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2022-07-23 14:27:34,665 INFO L752 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 380#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 382#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 379#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 374#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 375#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 377#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 373#L558-1 [2022-07-23 14:27:34,665 INFO L754 eck$LassoCheckResult]: Loop: 373#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 376#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 385#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 384#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 381#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 378#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 372#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 373#L558-1 [2022-07-23 14:27:34,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:34,666 INFO L85 PathProgramCache]: Analyzing trace with hash 177751398, now seen corresponding path program 1 times [2022-07-23 14:27:34,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:34,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042015366] [2022-07-23 14:27:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:34,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,686 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:34,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:34,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1505810374, now seen corresponding path program 3 times [2022-07-23 14:27:34,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:34,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688405469] [2022-07-23 14:27:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:34,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:27:34,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:27:34,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688405469] [2022-07-23 14:27:34,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688405469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:27:34,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:27:34,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 14:27:34,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18370162] [2022-07-23 14:27:34,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:27:34,763 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:27:34,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:27:34,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 14:27:34,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 14:27:34,765 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-07-23 14:27:34,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:27:34,804 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-07-23 14:27:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 14:27:34,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 18 transitions. [2022-07-23 14:27:34,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:27:34,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 11 states and 11 transitions. [2022-07-23 14:27:34,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-23 14:27:34,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-23 14:27:34,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 11 transitions. [2022-07-23 14:27:34,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:27:34,805 INFO L369 hiAutomatonCegarLoop]: Abstraction has 11 states and 11 transitions. [2022-07-23 14:27:34,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 11 transitions. [2022-07-23 14:27:34,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 7. [2022-07-23 14:27:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.0) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-07-23 14:27:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-07-23 14:27:34,806 INFO L392 hiAutomatonCegarLoop]: Abstraction has 7 states and 7 transitions. [2022-07-23 14:27:34,806 INFO L374 stractBuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2022-07-23 14:27:34,806 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-23 14:27:34,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 7 transitions. [2022-07-23 14:27:34,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:27:34,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:34,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:34,807 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 14:27:34,807 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:27:34,807 INFO L752 eck$LassoCheckResult]: Stem: 418#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 423#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 424#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 422#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 420#L558-3 [2022-07-23 14:27:34,807 INFO L754 eck$LassoCheckResult]: Loop: 420#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 421#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 420#L558-3 [2022-07-23 14:27:34,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:34,807 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2022-07-23 14:27:34,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:34,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727035364] [2022-07-23 14:27:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:34,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,825 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:34,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:34,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2022-07-23 14:27:34,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:34,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516299355] [2022-07-23 14:27:34,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:34,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,840 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:34,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:34,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849233, now seen corresponding path program 2 times [2022-07-23 14:27:34,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:34,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260523388] [2022-07-23 14:27:34,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:34,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,859 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:34,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:35,774 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:27:35,774 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:27:35,774 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:27:35,774 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:27:35,774 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:27:35,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:35,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:27:35,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:27:35,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.15-alloca.i_Iteration6_Lasso [2022-07-23 14:27:35,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:27:35,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:27:35,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:35,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:35,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:35,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:35,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:35,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:36,747 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:27:36,747 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:27:36,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:36,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:36,748 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2022-07-23 14:27:36,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-23 14:27:36,751 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 [2022-07-23 14:27:36,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:36,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:36,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:36,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:36,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:36,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:36,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:36,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:36,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-23 14:27:36,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:36,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:36,779 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2022-07-23 14:27:36,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-23 14:27:36,781 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 [2022-07-23 14:27:36,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:36,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:36,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:36,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:36,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:36,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:36,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:36,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:36,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:36,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:36,807 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2022-07-23 14:27:36,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-23 14:27:36,809 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 [2022-07-23 14:27:36,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:36,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:36,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:36,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:36,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:36,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:36,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:36,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:36,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:36,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:36,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:36,831 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2022-07-23 14:27:36,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-23 14:27:36,832 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 [2022-07-23 14:27:36,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:36,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:36,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:36,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:36,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:36,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:36,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:36,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:36,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:36,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:36,856 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2022-07-23 14:27:36,869 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 [2022-07-23 14:27:36,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-23 14:27:36,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:36,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:36,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:36,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:36,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:36,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:36,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:36,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:36,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-07-23 14:27:36,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:36,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:36,894 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2022-07-23 14:27:36,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-23 14:27:36,897 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 [2022-07-23 14:27:36,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:36,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:36,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:36,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:36,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:36,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:36,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:36,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:36,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:36,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:36,932 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2022-07-23 14:27:36,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-23 14:27:36,935 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 [2022-07-23 14:27:36,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:36,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:36,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:36,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:36,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:36,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:36,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:36,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-07-23 14:27:36,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:36,961 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2022-07-23 14:27:36,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-23 14:27:36,964 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 [2022-07-23 14:27:36,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:36,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:36,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:36,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:36,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:36,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:36,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:37,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:37,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,020 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2022-07-23 14:27:37,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-23 14:27:37,023 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 [2022-07-23 14:27:37,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:37,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:37,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:37,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:37,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:37,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:37,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:37,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-07-23 14:27:37,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,054 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2022-07-23 14:27:37,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-23 14:27:37,056 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 [2022-07-23 14:27:37,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:37,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:37,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:37,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:37,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:37,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:37,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:37,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-23 14:27:37,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,098 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2022-07-23 14:27:37,107 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 [2022-07-23 14:27:37,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-23 14:27:37,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:37,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:37,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:37,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:37,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:37,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:37,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:37,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-23 14:27:37,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,132 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2022-07-23 14:27:37,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-23 14:27:37,134 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 [2022-07-23 14:27:37,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:37,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:37,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:37,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:37,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:37,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:37,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:37,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:37,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,163 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2022-07-23 14:27:37,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-23 14:27:37,165 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 [2022-07-23 14:27:37,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:37,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:37,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:37,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:37,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:37,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:37,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:37,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-23 14:27:37,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,198 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2022-07-23 14:27:37,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-23 14:27:37,200 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 [2022-07-23 14:27:37,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:37,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:37,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:37,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:37,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:37,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:37,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:37,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-23 14:27:37,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,237 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2022-07-23 14:27:37,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-23 14:27:37,239 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 [2022-07-23 14:27:37,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:37,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:37,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:37,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:37,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:37,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:37,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:37,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-23 14:27:37,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,265 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2022-07-23 14:27:37,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-23 14:27:37,267 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 [2022-07-23 14:27:37,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:37,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:37,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:37,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:37,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:37,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:37,291 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:27:37,303 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-23 14:27:37,303 INFO L444 ModelExtractionUtils]: 12 out of 40 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-07-23 14:27:37,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:37,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:37,304 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2022-07-23 14:27:37,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-23 14:27:37,306 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:27:37,313 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:27:37,313 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:27:37,313 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2 Supporting invariants [] [2022-07-23 14:27:37,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-23 14:27:37,434 INFO L293 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2022-07-23 14:27:37,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:37,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-23 14:27:37,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:27:37,510 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:27:37,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-07-23 14:27:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:37,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-23 14:27:37,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:27:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:27:37,564 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-07-23 14:27:37,564 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-07-23 14:27:37,599 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 9 states and 10 transitions. Complement of second has 6 states. [2022-07-23 14:27:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 14:27:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-07-23 14:27:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2022-07-23 14:27:37,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-23 14:27:37,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:37,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 14:27:37,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:37,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-23 14:27:37,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:37,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-07-23 14:27:37,601 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:27:37,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2022-07-23 14:27:37,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 14:27:37,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 14:27:37,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 14:27:37,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:27:37,601 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:27:37,601 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:27:37,601 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:27:37,601 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-23 14:27:37,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 14:27:37,601 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:27:37,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 14:27:37,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 02:27:37 BoogieIcfgContainer [2022-07-23 14:27:37,605 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 14:27:37,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 14:27:37,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 14:27:37,606 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 14:27:37,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:27:29" (3/4) ... [2022-07-23 14:27:37,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 14:27:37,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 14:27:37,608 INFO L158 Benchmark]: Toolchain (without parser) took 8615.93ms. Allocated memory was 130.0MB in the beginning and 203.4MB in the end (delta: 73.4MB). Free memory was 97.2MB in the beginning and 113.9MB in the end (delta: -16.7MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2022-07-23 14:27:37,608 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:27:37,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.54ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 99.3MB in the end (delta: -2.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-07-23 14:27:37,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.00ms. Allocated memory is still 130.0MB. Free memory was 99.3MB in the beginning and 97.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:27:37,609 INFO L158 Benchmark]: Boogie Preprocessor took 14.26ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 96.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:27:37,609 INFO L158 Benchmark]: RCFGBuilder took 289.22ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 84.1MB in the end (delta: 12.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-23 14:27:37,609 INFO L158 Benchmark]: BuchiAutomizer took 7951.51ms. Allocated memory was 130.0MB in the beginning and 203.4MB in the end (delta: 73.4MB). Free memory was 84.1MB in the beginning and 113.9MB in the end (delta: -29.7MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-07-23 14:27:37,609 INFO L158 Benchmark]: Witness Printer took 2.06ms. Allocated memory is still 203.4MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:27:37,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.54ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 99.3MB in the end (delta: -2.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.00ms. Allocated memory is still 130.0MB. Free memory was 99.3MB in the beginning and 97.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.26ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 96.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.22ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 84.1MB in the end (delta: 12.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 7951.51ms. Allocated memory was 130.0MB in the beginning and 203.4MB in the end (delta: 73.4MB). Free memory was 84.1MB in the beginning and 113.9MB in the end (delta: -29.7MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 2.06ms. Allocated memory is still 203.4MB. Free memory is still 113.9MB. There was no memory consumed. 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 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * \old(z) + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.9s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 38 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital421 mio100 ax104 hnf100 lsp93 ukn53 mio100 lsp35 div100 bol100 ite100 ukn100 eq186 hnf88 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 14:27:37,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:37,846 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