./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/java_BubbleSort-alloca-2.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 af6d3df1a288680024c52d2d61adb02fdd276fce .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:23:13,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:23:13,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:23:13,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:23:13,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:23:13,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:23:13,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:23:13,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:23:13,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:23:13,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:23:13,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:23:13,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:23:13,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:23:13,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:23:13,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:23:13,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:23:13,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:23:13,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:23:13,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:23:13,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:23:13,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:23:13,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:23:13,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:23:13,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:23:13,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:23:13,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:23:13,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:23:13,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:23:13,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:23:13,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:23:13,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:23:13,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:23:13,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:23:13,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:23:13,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:23:13,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:23:13,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:23:13,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:23:13,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:23:13,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:23:13,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:23:13,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:23:13,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:23:13,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:23:13,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:23:13,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:23:13,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:23:13,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:23:13,882 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:23:13,882 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:23:13,882 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:23:13,882 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:23:13,883 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:23:13,883 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:23:13,883 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:23:13,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:23:13,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:23:13,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:23:13,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:23:13,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:23:13,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:23:13,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:23:13,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:23:13,885 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:23:13,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:23:13,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:23:13,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:23:13,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:23:13,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:23:13,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:23:13,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:23:13,886 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:23:13,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af6d3df1a288680024c52d2d61adb02fdd276fce [2021-08-27 14:23:14,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:23:14,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:23:14,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:23:14,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:23:14,146 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:23:14,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2021-08-27 14:23:14,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5299c5b3/53745b31cdba415590a33ccb6c5bcb47/FLAG293a59f97 [2021-08-27 14:23:14,557 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:23:14,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2021-08-27 14:23:14,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5299c5b3/53745b31cdba415590a33ccb6c5bcb47/FLAG293a59f97 [2021-08-27 14:23:14,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5299c5b3/53745b31cdba415590a33ccb6c5bcb47 [2021-08-27 14:23:14,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:23:14,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:23:14,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:23:14,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:23:14,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:23:14,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1563d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14, skipping insertion in model container [2021-08-27 14:23:14,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:23:14,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:23:14,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:23:14,850 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:23:14,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:23:14,894 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:23:14,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14 WrapperNode [2021-08-27 14:23:14,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:23:14,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:23:14,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:23:14,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:23:14,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:23:14,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:23:14,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:23:14,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:23:14,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:23:14,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:23:14,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:23:14,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:23:14,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (1/1) ... [2021-08-27 14:23:14,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:14,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:15,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 14:23:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:23:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 14:23:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 14:23:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:23:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:23:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:23:15,295 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:23:15,295 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-27 14:23:15,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:23:15 BoogieIcfgContainer [2021-08-27 14:23:15,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:23:15,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:23:15,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:23:15,300 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:23:15,300 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:23:15,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:23:14" (1/3) ... [2021-08-27 14:23:15,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@342e8cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:23:15, skipping insertion in model container [2021-08-27 14:23:15,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:23:15,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:23:14" (2/3) ... [2021-08-27 14:23:15,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@342e8cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:23:15, skipping insertion in model container [2021-08-27 14:23:15,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:23:15,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:23:15" (3/3) ... [2021-08-27 14:23:15,312 INFO L389 chiAutomizerObserver]: Analyzing ICFG java_BubbleSort-alloca-2.i [2021-08-27 14:23:15,349 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:23:15,349 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:23:15,349 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:23:15,349 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:23:15,350 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:23:15,350 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:23:15,350 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:23:15,350 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:23:15,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-08-27 14:23:15,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:23:15,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:23:15,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:23:15,373 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-27 14:23:15,373 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:23:15,373 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:23:15,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-08-27 14:23:15,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:23:15,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:23:15,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:23:15,377 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-27 14:23:15,377 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:23:15,384 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 12#L558true assume !(main_~array_size~0 < 1); 7#L558-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 8#L550-3true [2021-08-27 14:23:15,385 INFO L793 eck$LassoCheckResult]: Loop: 8#L550-3true assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 6#L551-3true assume !true; 14#L550-2true sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 8#L550-3true [2021-08-27 14:23:15,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:15,388 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-08-27 14:23:15,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:15,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042563512] [2021-08-27 14:23:15,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:15,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,473 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,499 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:15,502 INFO L82 PathProgramCache]: Analyzing trace with hash 47218, now seen corresponding path program 1 times [2021-08-27 14:23:15,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:15,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896063235] [2021-08-27 14:23:15,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:15,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:15,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:23:15,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896063235] [2021-08-27 14:23:15,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896063235] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:23:15,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:23:15,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 14:23:15,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257337333] [2021-08-27 14:23:15,550 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:23:15,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:23:15,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-27 14:23:15,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 14:23:15,567 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-08-27 14:23:15,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:23:15,571 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-08-27 14:23:15,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 14:23:15,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-08-27 14:23:15,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:23:15,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2021-08-27 14:23:15,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-08-27 14:23:15,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-08-27 14:23:15,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2021-08-27 14:23:15,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:23:15,579 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-08-27 14:23:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2021-08-27 14:23:15,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-08-27 14:23:15,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-08-27 14:23:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2021-08-27 14:23:15,598 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-08-27 14:23:15,598 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-08-27 14:23:15,598 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:23:15,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2021-08-27 14:23:15,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:23:15,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:23:15,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:23:15,600 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-27 14:23:15,600 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:23:15,600 INFO L791 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 35#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 38#L558 assume !(main_~array_size~0 < 1); 39#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 42#L550-3 [2021-08-27 14:23:15,600 INFO L793 eck$LassoCheckResult]: Loop: 42#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 37#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 40#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 42#L550-3 [2021-08-27 14:23:15,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:15,601 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-08-27 14:23:15,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:15,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146778454] [2021-08-27 14:23:15,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:15,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,627 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,649 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:15,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:15,651 INFO L82 PathProgramCache]: Analyzing trace with hash 46877, now seen corresponding path program 1 times [2021-08-27 14:23:15,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:15,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381703129] [2021-08-27 14:23:15,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:15,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:15,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:23:15,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381703129] [2021-08-27 14:23:15,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381703129] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:23:15,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:23:15,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 14:23:15,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041291650] [2021-08-27 14:23:15,694 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:23:15,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:23:15,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 14:23:15,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 14:23:15,696 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-08-27 14:23:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:23:15,721 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2021-08-27 14:23:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 14:23:15,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2021-08-27 14:23:15,729 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-08-27 14:23:15,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2021-08-27 14:23:15,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-08-27 14:23:15,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-08-27 14:23:15,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-08-27 14:23:15,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:23:15,730 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-08-27 14:23:15,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-08-27 14:23:15,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-08-27 14:23:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-08-27 14:23:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-08-27 14:23:15,732 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-08-27 14:23:15,732 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-08-27 14:23:15,732 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 14:23:15,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-08-27 14:23:15,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-08-27 14:23:15,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:23:15,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:23:15,734 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-27 14:23:15,734 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:23:15,734 INFO L791 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 60#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 63#L558 assume !(main_~array_size~0 < 1); 64#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 67#L550-3 [2021-08-27 14:23:15,735 INFO L793 eck$LassoCheckResult]: Loop: 67#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 65#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 66#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 61#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 62#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 68#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 67#L550-3 [2021-08-27 14:23:15,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:15,736 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 3 times [2021-08-27 14:23:15,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:15,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291734016] [2021-08-27 14:23:15,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:15,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,749 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,771 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:15,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:15,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1398152922, now seen corresponding path program 1 times [2021-08-27 14:23:15,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:15,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799455424] [2021-08-27 14:23:15,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:15,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,787 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,804 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:15,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1893874754, now seen corresponding path program 1 times [2021-08-27 14:23:15,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:15,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419518906] [2021-08-27 14:23:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:15,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,823 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:15,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:16,309 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:23:16,310 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:23:16,310 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:23:16,310 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:23:16,310 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:23:16,310 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:16,310 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:23:16,310 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:23:16,310 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration3_Lasso [2021-08-27 14:23:16,311 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:23:16,311 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:23:16,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:16,705 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:23:16,708 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:23:16,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:16,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:16,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:16,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 14:23:16,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:16,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:16,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:16,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:16,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:16,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:16,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:16,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:16,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:16,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 14:23:16,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:16,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:16,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:16,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:16,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:16,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:16,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:16,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:16,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:16,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:16,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:16,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 14:23:16,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:16,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:16,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:16,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:16,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:16,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 14:23:16,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:16,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:16,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:16,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:16,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:16,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:16,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:16,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:16,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:16,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:16,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:16,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:16,845 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:16,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 14:23:16,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:16,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:16,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:16,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:16,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:16,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:16,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:16,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:16,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:16,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:16,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:16,890 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:16,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:16,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:16,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:16,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:16,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:16,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:16,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:16,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:16,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 14:23:16,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:16,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:16,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:16,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:16,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:16,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 14:23:16,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:16,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:16,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:16,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:16,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:16,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:16,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:16,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:16,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:16,972 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 [2021-08-27 14:23:16,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:16,973 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:16,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 14:23:16,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:16,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:16,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:16,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:16,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:16,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:16,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:16,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:16,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:17,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:17,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:17,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:17,006 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:17,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 14:23:17,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:17,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:17,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:17,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:17,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:17,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:17,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:17,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:17,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:17,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:17,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:17,069 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:17,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:17,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:17,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:17,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:17,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:17,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:17,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:17,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 14:23:17,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:17,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:17,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:17,128 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:17,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 14:23:17,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:17,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:17,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:17,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:17,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:17,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:17,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:17,174 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:23:17,208 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-08-27 14:23:17,209 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-08-27 14:23:17,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:17,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:17,220 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:17,224 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:23:17,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:23:17,238 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 14:23:17,238 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:23:17,238 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~pass~0, v_rep(select #length ULTIMATE.start_sort_~x.base)_1) = -2*ULTIMATE.start_sort_~pass~0 + 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_1 Supporting invariants [-2*ULTIMATE.start_sort_~n + 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_1 >= 0] [2021-08-27 14:23:17,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:17,267 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-08-27 14:23:17,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:17,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 14:23:17,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:17,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 14:23:17,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:17,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 14:23:17,453 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-27 14:23:17,454 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2021-08-27 14:23:17,494 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) Result 16 states and 22 transitions. Complement of second has 5 states. [2021-08-27 14:23:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:23:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2021-08-27 14:23:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-08-27 14:23:17,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2021-08-27 14:23:17,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:17,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 6 letters. [2021-08-27 14:23:17,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:17,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 12 letters. [2021-08-27 14:23:17,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:17,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 22 transitions. [2021-08-27 14:23:17,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:23:17,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 21 transitions. [2021-08-27 14:23:17,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-08-27 14:23:17,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-08-27 14:23:17,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2021-08-27 14:23:17,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:23:17,498 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-08-27 14:23:17,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2021-08-27 14:23:17,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-08-27 14:23:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 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) [2021-08-27 14:23:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-08-27 14:23:17,500 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-08-27 14:23:17,500 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-08-27 14:23:17,500 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 14:23:17,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-08-27 14:23:17,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:23:17,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:23:17,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:23:17,501 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 14:23:17,501 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:23:17,501 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 164#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 169#L558 assume !(main_~array_size~0 < 1); 170#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 174#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 166#L551-3 [2021-08-27 14:23:17,501 INFO L793 eck$LassoCheckResult]: Loop: 166#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 171#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 165#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 166#L551-3 [2021-08-27 14:23:17,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:17,501 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2021-08-27 14:23:17,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:17,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683918130] [2021-08-27 14:23:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:17,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:17,507 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:17,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:17,512 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2021-08-27 14:23:17,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:17,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611619439] [2021-08-27 14:23:17,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:17,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:17,516 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:17,520 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:17,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:17,520 INFO L82 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2021-08-27 14:23:17,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:17,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440131764] [2021-08-27 14:23:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:17,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:17,528 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:17,537 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:17,809 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:23:17,809 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:23:17,809 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:23:17,809 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:23:17,809 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:23:17,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:17,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:23:17,809 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:23:17,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration4_Lasso [2021-08-27 14:23:17,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:23:17,809 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:23:17,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:17,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:18,240 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:23:18,240 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:23:18,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,241 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) [2021-08-27 14:23:18,242 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 [2021-08-27 14:23:18,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:18,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:18,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:18,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,267 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 [2021-08-27 14:23:18,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,268 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) [2021-08-27 14:23:18,269 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 [2021-08-27 14:23:18,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:18,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:18,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:18,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,293 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 [2021-08-27 14:23:18,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,294 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) [2021-08-27 14:23:18,295 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 [2021-08-27 14:23:18,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:18,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:18,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,342 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 [2021-08-27 14:23:18,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,343 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) [2021-08-27 14:23:18,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:18,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:18,371 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 [2021-08-27 14:23:18,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,397 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 [2021-08-27 14:23:18,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,398 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) [2021-08-27 14:23:18,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:18,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:18,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:18,417 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 [2021-08-27 14:23:18,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:18,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,438 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) [2021-08-27 14:23:18,439 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 [2021-08-27 14:23:18,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:18,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:18,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:18,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,462 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 [2021-08-27 14:23:18,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,463 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) [2021-08-27 14:23:18,464 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 [2021-08-27 14:23:18,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:18,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:18,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,504 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 [2021-08-27 14:23:18,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,505 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) [2021-08-27 14:23:18,506 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 [2021-08-27 14:23:18,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:18,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:18,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:18,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,532 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 [2021-08-27 14:23:18,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,533 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) [2021-08-27 14:23:18,535 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 [2021-08-27 14:23:18,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:18,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:18,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:18,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:18,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,557 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) [2021-08-27 14:23:18,560 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 [2021-08-27 14:23:18,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:18,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:18,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,585 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 [2021-08-27 14:23:18,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,586 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) [2021-08-27 14:23:18,587 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 [2021-08-27 14:23:18,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:18,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:18,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,614 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 [2021-08-27 14:23:18,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,615 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) [2021-08-27 14:23:18,615 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 [2021-08-27 14:23:18,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:18,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:18,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:18,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-27 14:23:18,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,639 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) [2021-08-27 14:23:18,640 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 [2021-08-27 14:23:18,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:18,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:18,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:18,668 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 [2021-08-27 14:23:18,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,669 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) [2021-08-27 14:23:18,669 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 [2021-08-27 14:23:18,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:18,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:18,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:18,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:18,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:18,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:18,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:18,697 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:23:18,715 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-08-27 14:23:18,715 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-08-27 14:23:18,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:18,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,717 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) [2021-08-27 14:23:18,725 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:23:18,736 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 [2021-08-27 14:23:18,753 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:23:18,754 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:23:18,754 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0, ULTIMATE.start_sort_~pass~0, ULTIMATE.start_sort_~n) = -1*ULTIMATE.start_sort_~i~0 - 1*ULTIMATE.start_sort_~pass~0 + 1*ULTIMATE.start_sort_~n Supporting invariants [] [2021-08-27 14:23:18,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:18,778 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-08-27 14:23:18,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:18,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:23:18,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:18,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:23:18,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:18,847 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 14:23:18,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-08-27 14:23:18,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:18,866 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 44 transitions. Complement of second has 7 states. [2021-08-27 14:23:18,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 14:23:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-08-27 14:23:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-08-27 14:23:18,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2021-08-27 14:23:18,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:18,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2021-08-27 14:23:18,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:18,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2021-08-27 14:23:18,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:18,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 44 transitions. [2021-08-27 14:23:18,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:23:18,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 28 transitions. [2021-08-27 14:23:18,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-08-27 14:23:18,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-08-27 14:23:18,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2021-08-27 14:23:18,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:23:18,870 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-08-27 14:23:18,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2021-08-27 14:23:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 14. [2021-08-27 14:23:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 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) [2021-08-27 14:23:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-08-27 14:23:18,871 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-08-27 14:23:18,872 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-08-27 14:23:18,872 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 14:23:18,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-08-27 14:23:18,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:23:18,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:23:18,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:23:18,872 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:23:18,873 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:23:18,873 INFO L791 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 272#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 277#L558 assume !(main_~array_size~0 < 1); 278#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 282#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 280#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 281#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 275#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 276#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 284#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 283#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 274#L551-3 [2021-08-27 14:23:18,873 INFO L793 eck$LassoCheckResult]: Loop: 274#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 279#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 273#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 274#L551-3 [2021-08-27 14:23:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:18,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1421271829, now seen corresponding path program 1 times [2021-08-27 14:23:18,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:18,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872008577] [2021-08-27 14:23:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:18,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:18,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:23:18,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872008577] [2021-08-27 14:23:18,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872008577] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:23:18,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858319174] [2021-08-27 14:23:18,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:18,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:23:18,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:18,913 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:23:18,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-27 14:23:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:18,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 14:23:18,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:19,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858319174] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:23:19,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:23:19,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-27 14:23:19,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421913511] [2021-08-27 14:23:19,016 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:23:19,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:19,016 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2021-08-27 14:23:19,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:19,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674558711] [2021-08-27 14:23:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:19,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,020 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:19,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:23:19,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 14:23:19,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-27 14:23:19,110 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-08-27 14:23:19,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:23:19,168 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2021-08-27 14:23:19,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 14:23:19,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-08-27 14:23:19,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:23:19,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 34 transitions. [2021-08-27 14:23:19,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-08-27 14:23:19,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-08-27 14:23:19,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2021-08-27 14:23:19,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:23:19,174 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-08-27 14:23:19,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2021-08-27 14:23:19,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2021-08-27 14:23:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 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) [2021-08-27 14:23:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-08-27 14:23:19,175 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-08-27 14:23:19,175 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-08-27 14:23:19,175 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 14:23:19,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-08-27 14:23:19,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:23:19,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:23:19,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:23:19,176 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-08-27 14:23:19,176 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:23:19,176 INFO L791 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 357#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 362#L558 assume !(main_~array_size~0 < 1); 363#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 366#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 367#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 372#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 360#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 361#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 365#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 369#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 371#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 370#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 368#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 359#L551-3 [2021-08-27 14:23:19,176 INFO L793 eck$LassoCheckResult]: Loop: 359#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 364#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 358#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 359#L551-3 [2021-08-27 14:23:19,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:19,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1373641048, now seen corresponding path program 2 times [2021-08-27 14:23:19,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:19,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551593549] [2021-08-27 14:23:19,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:19,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,187 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,202 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:19,209 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2021-08-27 14:23:19,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:19,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586806094] [2021-08-27 14:23:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:19,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,216 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:19,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:19,222 INFO L82 PathProgramCache]: Analyzing trace with hash -307910395, now seen corresponding path program 1 times [2021-08-27 14:23:19,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:19,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654885724] [2021-08-27 14:23:19,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:19,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:19,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:23:19,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654885724] [2021-08-27 14:23:19,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654885724] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:23:19,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211624613] [2021-08-27 14:23:19,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:19,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:23:19,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:19,430 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:23:19,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-08-27 14:23:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:19,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-27 14:23:19,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:19,626 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-08-27 14:23:19,627 INFO L388 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 30 treesize of output 10 [2021-08-27 14:23:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 14:23:19,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211624613] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:23:19,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:23:19,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2021-08-27 14:23:19,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319369496] [2021-08-27 14:23:19,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:23:19,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-27 14:23:19,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-08-27 14:23:19,715 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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) [2021-08-27 14:23:19,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:23:19,808 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2021-08-27 14:23:19,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 14:23:19,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 50 transitions. [2021-08-27 14:23:19,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:23:19,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 50 transitions. [2021-08-27 14:23:19,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-08-27 14:23:19,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-08-27 14:23:19,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 50 transitions. [2021-08-27 14:23:19,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:23:19,810 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2021-08-27 14:23:19,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 50 transitions. [2021-08-27 14:23:19,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2021-08-27 14:23:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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) [2021-08-27 14:23:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2021-08-27 14:23:19,812 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-08-27 14:23:19,812 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-08-27 14:23:19,812 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 14:23:19,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2021-08-27 14:23:19,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:23:19,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:23:19,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:23:19,813 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:23:19,813 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:23:19,814 INFO L791 eck$LassoCheckResult]: Stem: 480#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 481#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 486#L558 assume !(main_~array_size~0 < 1); 487#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 491#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 492#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 499#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 484#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 485#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 490#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 495#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 503#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 502#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 501#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 483#L551-3 [2021-08-27 14:23:19,814 INFO L793 eck$LassoCheckResult]: Loop: 483#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 505#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 482#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 483#L551-3 [2021-08-27 14:23:19,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:19,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1371794006, now seen corresponding path program 2 times [2021-08-27 14:23:19,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:19,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135229137] [2021-08-27 14:23:19,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:19,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,822 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:19,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:19,829 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 4 times [2021-08-27 14:23:19,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:19,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933760962] [2021-08-27 14:23:19,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:19,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,833 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:19,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:19,835 INFO L82 PathProgramCache]: Analyzing trace with hash 501436231, now seen corresponding path program 3 times [2021-08-27 14:23:19,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:23:19,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561278602] [2021-08-27 14:23:19,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:23:19,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:23:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,844 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:23:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:23:19,852 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:23:20,334 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:23:20,334 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:23:20,334 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:23:20,334 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:23:20,334 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:23:20,334 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:20,334 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:23:20,334 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:23:20,334 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration7_Lasso [2021-08-27 14:23:20,334 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:23:20,334 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:23:20,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:23:20,842 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:23:20,842 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:23:20,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:20,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:20,848 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:20,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 14:23:20,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:20,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:20,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:20,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:20,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:20,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:20,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:20,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:20,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-08-27 14:23:20,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:20,879 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:20,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 14:23:20,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:20,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:20,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:20,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:20,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:20,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:20,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:20,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:20,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:20,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-08-27 14:23:20,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:20,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:20,916 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:20,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 14:23:20,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:20,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:20,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:20,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:20,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:20,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:20,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:20,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:20,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:20,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:20,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:20,948 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:20,965 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 [2021-08-27 14:23:20,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 14:23:20,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:20,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:20,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:20,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:20,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:20,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:20,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:20,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:20,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:20,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:20,990 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:20,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 14:23:20,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:20,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:20,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:20,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:20,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:20,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:20,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:20,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:20,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-08-27 14:23:21,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,014 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 14:23:21,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:21,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:21,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:21,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:21,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,038 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 14:23:21,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:21,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:21,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:21,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,064 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-27 14:23:21,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:21,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:21,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:21,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,089 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 14:23:21,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:21,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:21,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:21,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 14:23:21,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,112 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 14:23:21,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:21,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:21,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:21,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-27 14:23:21,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,136 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 14:23:21,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:21,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:21,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:21,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-08-27 14:23:21,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,163 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 14:23:21,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:23:21,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:23:21,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:23:21,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-27 14:23:21,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,189 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 14:23:21,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:21,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:21,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-27 14:23:21,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,246 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 14:23:21,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:21,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:21,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:23:21,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-27 14:23:21,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,280 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 14:23:21,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:23:21,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:23:21,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:23:21,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:23:21,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:23:21,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:23:21,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:23:21,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:23:21,315 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-27 14:23:21,315 INFO L444 ModelExtractionUtils]: 13 out of 34 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-08-27 14:23:21,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:23:21,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:23:21,316 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:23:21,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 14:23:21,318 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:23:21,324 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:23:21,324 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:23:21,324 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~x.offset, ULTIMATE.start_sort_~i~0, v_rep(select #length ULTIMATE.start_sort_~x.base)_3) = -1*ULTIMATE.start_sort_~x.offset - 4*ULTIMATE.start_sort_~i~0 + 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_3 Supporting invariants [] [2021-08-27 14:23:21,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-08-27 14:23:21,352 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-08-27 14:23:21,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:21,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:23:21,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:21,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-27 14:23:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:21,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:23:21,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:21,457 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 14:23:21,457 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-08-27 14:23:21,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 50 states and 70 transitions. Complement of second has 7 states. [2021-08-27 14:23:21,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 14:23:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-08-27 14:23:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-08-27 14:23:21,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-08-27 14:23:21,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:21,471 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 14:23:21,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:21,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:23:21,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:21,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:23:21,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:21,570 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 14:23:21,570 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-08-27 14:23:21,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 50 states and 70 transitions. Complement of second has 7 states. [2021-08-27 14:23:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 14:23:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-08-27 14:23:21,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-08-27 14:23:21,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-08-27 14:23:21,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:21,580 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 14:23:21,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:23:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:21,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:23:21,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:23:21,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:23:21,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:23:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:23:21,673 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 14:23:21,673 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-08-27 14:23:21,691 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 41 states and 58 transitions. Complement of second has 6 states. [2021-08-27 14:23:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 14:23:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-08-27 14:23:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-08-27 14:23:21,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 3 letters. [2021-08-27 14:23:21,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:21,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 3 letters. [2021-08-27 14:23:21,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:21,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2021-08-27 14:23:21,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:23:21,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 58 transitions. [2021-08-27 14:23:21,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:23:21,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-08-27 14:23:21,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:23:21,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:23:21,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:23:21,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:23:21,695 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:23:21,695 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:23:21,695 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:23:21,695 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-27 14:23:21,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:23:21,695 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:23:21,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:23:21,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:23:21 BoogieIcfgContainer [2021-08-27 14:23:21,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:23:21,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:23:21,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:23:21,700 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:23:21,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:23:15" (3/4) ... [2021-08-27 14:23:21,701 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:23:21,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:23:21,702 INFO L168 Benchmark]: Toolchain (without parser) took 7123.47 ms. Allocated memory was 58.7 MB in the beginning and 151.0 MB in the end (delta: 92.3 MB). Free memory was 36.5 MB in the beginning and 60.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 16.1 GB. [2021-08-27 14:23:21,702 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 41.0 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:23:21,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.87 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 36.8 MB in the end (delta: -420.5 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 14:23:21,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.74 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 35.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:23:21,703 INFO L168 Benchmark]: Boogie Preprocessor took 34.72 ms. Allocated memory is still 58.7 MB. Free memory was 35.0 MB in the beginning and 33.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:23:21,703 INFO L168 Benchmark]: RCFGBuilder took 330.96 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 33.5 MB in the beginning and 49.0 MB in the end (delta: -15.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-08-27 14:23:21,703 INFO L168 Benchmark]: BuchiAutomizer took 6401.92 ms. Allocated memory was 71.3 MB in the beginning and 151.0 MB in the end (delta: 79.7 MB). Free memory was 49.0 MB in the beginning and 61.7 MB in the end (delta: -12.7 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. [2021-08-27 14:23:21,703 INFO L168 Benchmark]: Witness Printer took 2.07 ms. Allocated memory is still 151.0 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:23:21,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 41.0 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 315.87 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 36.8 MB in the end (delta: -420.5 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.74 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 35.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.72 ms. Allocated memory is still 58.7 MB. Free memory was 35.0 MB in the beginning and 33.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 330.96 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 33.5 MB in the beginning and 49.0 MB in the end (delta: -15.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6401.92 ms. Allocated memory was 71.3 MB in the beginning and 151.0 MB in the end (delta: 79.7 MB). Free memory was 49.0 MB in the beginning and 61.7 MB in the end (delta: -12.7 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. * Witness Printer took 2.07 ms. Allocated memory is still 151.0 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * pass + unknown-#length-unknown[x] and consists of 4 locations. One deterministic module has affine ranking function n + -1 * pass + -1 * i and consists of 4 locations. One nondeterministic module has affine ranking function -4 * i + -1 * x + unknown-#length-unknown[x] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 5.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 4. Automata minimization 16.9ms AutomataMinimizationTime, 6 MinimizatonAttempts, 26 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 26 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 89 SDtfs, 88 SDslu, 91 SDs, 0 SdLazy, 173 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 134.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax109 hnf99 lsp88 ukn59 mio100 lsp61 div100 bol100 ite100 ukn100 eq174 hnf90 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:23:21,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-08-27 14:23:21,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-08-27 14:23:22,125 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...