./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/bubble_sort-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:05:59,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:05:59,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:05:59,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:05:59,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:05:59,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:05:59,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:05:59,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:05:59,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:05:59,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:05:59,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:05:59,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:05:59,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:05:59,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:05:59,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:05:59,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:05:59,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:05:59,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:05:59,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:05:59,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:05:59,673 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:05:59,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:05:59,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:05:59,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:05:59,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:05:59,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:05:59,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:05:59,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:05:59,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:05:59,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:05:59,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:05:59,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:05:59,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:05:59,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:05:59,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:05:59,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:05:59,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:05:59,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:05:59,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:05:59,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:05:59,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:05:59,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:05:59,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:05:59,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:05:59,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:05:59,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:05:59,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:05:59,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:05:59,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:05:59,729 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:05:59,729 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:05:59,729 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:05:59,730 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:05:59,730 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:05:59,730 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:05:59,731 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:05:59,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:05:59,731 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:05:59,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:05:59,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:05:59,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:05:59,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:05:59,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:05:59,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:05:59,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:05:59,733 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:05:59,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:05:59,733 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:05:59,733 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:05:59,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:05:59,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:05:59,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:05:59,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:05:59,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:05:59,736 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:05:59,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 [2022-07-23 15:05:59,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:05:59,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:05:59,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:05:59,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:05:59,998 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:06:00,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/bubble_sort-1.c [2022-07-23 15:06:00,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722d680b3/56cedc95a6044eb2a3a415fe37fd31c8/FLAG73ad9d3de [2022-07-23 15:06:00,431 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:06:00,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c [2022-07-23 15:06:00,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722d680b3/56cedc95a6044eb2a3a415fe37fd31c8/FLAG73ad9d3de [2022-07-23 15:06:00,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722d680b3/56cedc95a6044eb2a3a415fe37fd31c8 [2022-07-23 15:06:00,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:06:00,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:06:00,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:06:00,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:06:00,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:06:00,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1fa75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00, skipping insertion in model container [2022-07-23 15:06:00,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:06:00,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:06:00,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2022-07-23 15:06:00,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:06:00,632 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:06:00,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2022-07-23 15:06:00,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:06:00,684 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:06:00,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00 WrapperNode [2022-07-23 15:06:00,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:06:00,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:06:00,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:06:00,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:06:00,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,731 INFO L137 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2022-07-23 15:06:00,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:06:00,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:06:00,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:06:00,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:06:00,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:06:00,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:06:00,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:06:00,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:06:00,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (1/1) ... [2022-07-23 15:06:00,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:00,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:00,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:00,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 15:06:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:06:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:06:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 15:06:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 15:06:00,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:06:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:06:00,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 15:06:00,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 15:06:00,944 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:06:00,947 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:06:01,099 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:06:01,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:06:01,105 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-23 15:06:01,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:01 BoogieIcfgContainer [2022-07-23 15:06:01,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:06:01,107 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:06:01,107 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:06:01,110 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:06:01,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:01,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:06:00" (1/3) ... [2022-07-23 15:06:01,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17c3842b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:06:01, skipping insertion in model container [2022-07-23 15:06:01,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:01,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:00" (2/3) ... [2022-07-23 15:06:01,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17c3842b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:06:01, skipping insertion in model container [2022-07-23 15:06:01,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:01,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:01" (3/3) ... [2022-07-23 15:06:01,114 INFO L354 chiAutomizerObserver]: Analyzing ICFG bubble_sort-1.c [2022-07-23 15:06:01,177 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:06:01,177 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:06:01,178 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:06:01,178 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:06:01,178 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:06:01,178 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:06:01,191 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:06:01,191 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:06:01,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:01,213 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2022-07-23 15:06:01,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:01,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:01,218 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-23 15:06:01,218 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:06:01,219 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:06:01,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:01,223 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2022-07-23 15:06:01,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:01,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:01,224 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-23 15:06:01,224 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:06:01,230 INFO L752 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 5#L56true assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 26#L65true assume q1_#t~switch17#1;q1_~i~1#1 := 0; 10#L66-3true [2022-07-23 15:06:01,231 INFO L754 eck$LassoCheckResult]: Loop: 10#L66-3true assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 11#L66-2true q1_#t~pre18#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre18#1; 10#L66-3true [2022-07-23 15:06:01,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2022-07-23 15:06:01,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:01,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065972612] [2022-07-23 15:06:01,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:01,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:01,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:01,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065972612] [2022-07-23 15:06:01,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065972612] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:01,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:01,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 15:06:01,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317979933] [2022-07-23 15:06:01,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:01,436 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:06:01,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:01,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2022-07-23 15:06:01,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:01,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197648353] [2022-07-23 15:06:01,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:01,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:01,451 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:01,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:01,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:01,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:06:01,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:06:01,589 INFO L87 Difference]: Start difference. First operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:01,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:01,614 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2022-07-23 15:06:01,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:06:01,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2022-07-23 15:06:01,631 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-07-23 15:06:01,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2022-07-23 15:06:01,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-23 15:06:01,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-23 15:06:01,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-07-23 15:06:01,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:01,639 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-23 15:06:01,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-07-23 15:06:01,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-07-23 15:06:01,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-07-23 15:06:01,664 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-07-23 15:06:01,664 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-07-23 15:06:01,665 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:06:01,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-07-23 15:06:01,668 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-07-23 15:06:01,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:01,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:01,668 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-23 15:06:01,669 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:06:01,669 INFO L752 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 61#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 64#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 65#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 77#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 76#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 71#L74-3 [2022-07-23 15:06:01,669 INFO L754 eck$LassoCheckResult]: Loop: 71#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 70#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 71#L74-3 [2022-07-23 15:06:01,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:01,671 INFO L85 PathProgramCache]: Analyzing trace with hash 889584664, now seen corresponding path program 1 times [2022-07-23 15:06:01,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:01,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594499614] [2022-07-23 15:06:01,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:01,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:01,712 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:01,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:01,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:01,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2691, now seen corresponding path program 1 times [2022-07-23 15:06:01,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:01,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123632715] [2022-07-23 15:06:01,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:01,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:01,755 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:01,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:01,763 INFO L85 PathProgramCache]: Analyzing trace with hash 192371930, now seen corresponding path program 1 times [2022-07-23 15:06:01,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:01,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518528255] [2022-07-23 15:06:01,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:01,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:01,802 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:01,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:02,372 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:02,373 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:02,373 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:02,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:02,374 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:02,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:02,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:02,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:02,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration2_Lasso [2022-07-23 15:06:02,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:02,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:02,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:02,994 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:02,997 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:02,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:03,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:03,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:03,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-23 15:06:03,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-23 15:06:03,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-23 15:06:03,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:03,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-23 15:06:03,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:03,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,182 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-23 15:06:03,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:03,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,221 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 15:06:03,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:03,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 15:06:03,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:03,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,288 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 15:06:03,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-23 15:06:03,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,321 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 15:06:03,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-23 15:06:03,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,379 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 15:06:03,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:03,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:03,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,442 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-23 15:06:03,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:03,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:03,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:03,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:03,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:03,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:03,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:03,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:03,510 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-23 15:06:03,510 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-07-23 15:06:03,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:03,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:03,513 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:03,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-23 15:06:03,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:03,589 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 15:06:03,589 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:03,590 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~i~1#1, ULTIMATE.start_q1_~N~0#1) = -1*ULTIMATE.start_q1_~i~1#1 + 1*ULTIMATE.start_q1_~N~0#1 Supporting invariants [] [2022-07-23 15:06:03,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:03,649 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-23 15:06:03,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:03,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:06:03,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:03,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:03,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:03,740 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 15:06:03,742 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 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) [2022-07-23 15:06:03,780 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. 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 28 states and 40 transitions. Complement of second has 7 states. [2022-07-23 15:06:03,781 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 [2022-07-23 15:06:03,783 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) [2022-07-23 15:06:03,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-07-23 15:06:03,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-23 15:06:03,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:03,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-23 15:06:03,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:03,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2022-07-23 15:06:03,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:03,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2022-07-23 15:06:03,799 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-07-23 15:06:03,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 36 transitions. [2022-07-23 15:06:03,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-07-23 15:06:03,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-07-23 15:06:03,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2022-07-23 15:06:03,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:03,807 INFO L369 hiAutomatonCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-07-23 15:06:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2022-07-23 15:06:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2022-07-23 15:06:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2022-07-23 15:06:03,809 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-07-23 15:06:03,809 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-07-23 15:06:03,810 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:06:03,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2022-07-23 15:06:03,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-07-23 15:06:03,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:03,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:03,812 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:03,812 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 15:06:03,812 INFO L752 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 182#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 183#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 196#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 194#L73 assume !q1_#t~switch17#1; 180#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 181#L18-3 [2022-07-23 15:06:03,812 INFO L754 eck$LassoCheckResult]: Loop: 181#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 192#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 191#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 181#L18-3 [2022-07-23 15:06:03,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:03,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 1 times [2022-07-23 15:06:03,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:03,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367868293] [2022-07-23 15:06:03,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:03,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:03,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:03,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:03,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367868293] [2022-07-23 15:06:03,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367868293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:03,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:03,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:06:03,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978511280] [2022-07-23 15:06:03,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:03,835 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:06:03,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:03,836 INFO L85 PathProgramCache]: Analyzing trace with hash 114407, now seen corresponding path program 1 times [2022-07-23 15:06:03,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:03,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604441405] [2022-07-23 15:06:03,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:03,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:03,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:03,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604441405] [2022-07-23 15:06:03,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604441405] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:03,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:03,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 15:06:03,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218408886] [2022-07-23 15:06:03,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:03,850 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:06:03,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:03,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:06:03,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:06:03,851 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 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) [2022-07-23 15:06:03,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:03,863 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2022-07-23 15:06:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:06:03,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2022-07-23 15:06:03,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:03,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2022-07-23 15:06:03,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-23 15:06:03,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-07-23 15:06:03,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2022-07-23 15:06:03,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:03,866 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-07-23 15:06:03,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2022-07-23 15:06:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-23 15:06:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2022-07-23 15:06:03,868 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-07-23 15:06:03,868 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-07-23 15:06:03,868 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 15:06:03,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2022-07-23 15:06:03,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:03,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:03,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:03,869 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:03,869 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 15:06:03,869 INFO L752 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 225#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 228#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 229#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 243#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 241#L73 assume !q1_#t~switch17#1; 226#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 227#L18-3 [2022-07-23 15:06:03,870 INFO L754 eck$LassoCheckResult]: Loop: 227#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 238#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 239#L23 assume !(bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1); 233#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 240#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 237#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 227#L18-3 [2022-07-23 15:06:03,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:03,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 2 times [2022-07-23 15:06:03,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:03,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658286] [2022-07-23 15:06:03,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:03,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:03,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:03,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658286] [2022-07-23 15:06:03,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658286] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:03,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:03,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:06:03,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477721259] [2022-07-23 15:06:03,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:03,892 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:06:03,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:03,892 INFO L85 PathProgramCache]: Analyzing trace with hash -884895266, now seen corresponding path program 1 times [2022-07-23 15:06:03,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:03,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649814468] [2022-07-23 15:06:03,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:03,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:03,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:03,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649814468] [2022-07-23 15:06:03,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649814468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:03,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:03,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 15:06:03,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251719009] [2022-07-23 15:06:03,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:03,912 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:06:03,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:03,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:06:03,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:06:03,913 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:03,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:03,927 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2022-07-23 15:06:03,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:06:03,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2022-07-23 15:06:03,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:03,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2022-07-23 15:06:03,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-23 15:06:03,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-23 15:06:03,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-07-23 15:06:03,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:03,934 INFO L369 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-07-23 15:06:03,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-07-23 15:06:03,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-07-23 15:06:03,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-07-23 15:06:03,938 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-23 15:06:03,938 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-23 15:06:03,938 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-23 15:06:03,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-07-23 15:06:03,939 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:03,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:03,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:03,940 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:03,940 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:03,940 INFO L752 eck$LassoCheckResult]: Stem: 272#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 276#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 277#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 291#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 289#L73 assume !q1_#t~switch17#1; 274#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 275#L18-3 [2022-07-23 15:06:03,940 INFO L754 eck$LassoCheckResult]: Loop: 275#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 286#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 287#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 280#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 281#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 288#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 285#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 275#L18-3 [2022-07-23 15:06:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:03,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 3 times [2022-07-23 15:06:03,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:03,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144684069] [2022-07-23 15:06:03,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:03,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:03,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:03,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144684069] [2022-07-23 15:06:03,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144684069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:03,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:03,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:06:03,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885005586] [2022-07-23 15:06:03,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:03,960 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:06:03,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 1 times [2022-07-23 15:06:03,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:03,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487581613] [2022-07-23 15:06:03,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:03,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:03,970 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:03,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:04,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:04,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:04,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:06:04,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:06:04,153 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:04,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:04,164 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2022-07-23 15:06:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:06:04,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2022-07-23 15:06:04,166 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:04,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 25 transitions. [2022-07-23 15:06:04,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-23 15:06:04,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-07-23 15:06:04,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2022-07-23 15:06:04,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:04,167 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-07-23 15:06:04,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2022-07-23 15:06:04,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-23 15:06:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-07-23 15:06:04,168 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-07-23 15:06:04,169 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-07-23 15:06:04,169 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-23 15:06:04,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-07-23 15:06:04,169 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:04,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:04,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:04,169 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:04,169 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:06:04,170 INFO L752 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 319#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 322#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 323#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 337#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 335#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 336#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 330#L74-4 q1_~i~1#1 := 0; 325#L76-3 [2022-07-23 15:06:04,170 INFO L754 eck$LassoCheckResult]: Loop: 325#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 324#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 325#L76-3 [2022-07-23 15:06:04,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:04,170 INFO L85 PathProgramCache]: Analyzing trace with hash 192371872, now seen corresponding path program 1 times [2022-07-23 15:06:04,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:04,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100666191] [2022-07-23 15:06:04,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:04,189 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:04,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:04,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:04,213 INFO L85 PathProgramCache]: Analyzing trace with hash 3139, now seen corresponding path program 1 times [2022-07-23 15:06:04,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:04,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216445266] [2022-07-23 15:06:04,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:04,219 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:04,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1785309299] [2022-07-23 15:06:04,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:04,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:04,224 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:04,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-23 15:06:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:04,263 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:04,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:04,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:04,272 INFO L85 PathProgramCache]: Analyzing trace with hash 185777442, now seen corresponding path program 1 times [2022-07-23 15:06:04,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:04,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253813707] [2022-07-23 15:06:04,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:04,281 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:04,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564182044] [2022-07-23 15:06:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:04,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:04,283 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:04,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-23 15:06:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:04,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:04,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:04,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 15:06:04,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:04,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253813707] [2022-07-23 15:06:04,399 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 15:06:04,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564182044] [2022-07-23 15:06:04,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564182044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:04,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:04,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:06:04,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864630034] [2022-07-23 15:06:04,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:04,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:04,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:06:04,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:06:04,553 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:04,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:04,607 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2022-07-23 15:06:04,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:06:04,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2022-07-23 15:06:04,610 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2022-07-23 15:06:04,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2022-07-23 15:06:04,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2022-07-23 15:06:04,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-07-23 15:06:04,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2022-07-23 15:06:04,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:04,612 INFO L369 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-07-23 15:06:04,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2022-07-23 15:06:04,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 22. [2022-07-23 15:06:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-07-23 15:06:04,617 INFO L392 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-07-23 15:06:04,617 INFO L374 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-07-23 15:06:04,619 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-23 15:06:04,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-07-23 15:06:04,619 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:04,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:04,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:04,620 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:04,620 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:04,620 INFO L752 eck$LassoCheckResult]: Stem: 420#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 424#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 425#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 440#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 438#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 439#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 432#L74-4 q1_~i~1#1 := 0; 433#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 422#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 423#L18-3 [2022-07-23 15:06:04,620 INFO L754 eck$LassoCheckResult]: Loop: 423#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 435#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 436#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 428#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 429#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 437#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 434#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 423#L18-3 [2022-07-23 15:06:04,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:04,621 INFO L85 PathProgramCache]: Analyzing trace with hash 185777387, now seen corresponding path program 1 times [2022-07-23 15:06:04,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:04,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102681269] [2022-07-23 15:06:04,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:04,645 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:04,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:04,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 2 times [2022-07-23 15:06:04,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:04,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326426154] [2022-07-23 15:06:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:04,682 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:04,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1443775097, now seen corresponding path program 1 times [2022-07-23 15:06:04,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:04,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236597917] [2022-07-23 15:06:04,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 15:06:04,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:04,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236597917] [2022-07-23 15:06:04,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236597917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:04,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:04,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:06:04,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838736870] [2022-07-23 15:06:04,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:04,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:04,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:06:04,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:06:04,903 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:04,949 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2022-07-23 15:06:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:06:04,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2022-07-23 15:06:04,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:04,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2022-07-23 15:06:04,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-07-23 15:06:04,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-07-23 15:06:04,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2022-07-23 15:06:04,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:04,951 INFO L369 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-07-23 15:06:04,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2022-07-23 15:06:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-07-23 15:06:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-07-23 15:06:04,953 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-07-23 15:06:04,953 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-07-23 15:06:04,953 INFO L287 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-23 15:06:04,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2022-07-23 15:06:04,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:04,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:04,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:04,954 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:04,954 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:06:04,954 INFO L752 eck$LassoCheckResult]: Stem: 483#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 484#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 487#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 488#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 503#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 501#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 502#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 493#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 494#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 495#L74-4 q1_~i~1#1 := 0; 496#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 489#L76-2 [2022-07-23 15:06:04,954 INFO L754 eck$LassoCheckResult]: Loop: 489#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 490#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 489#L76-2 [2022-07-23 15:06:04,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1465845666, now seen corresponding path program 1 times [2022-07-23 15:06:04,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:04,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109044594] [2022-07-23 15:06:04,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:04,962 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:04,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942196339] [2022-07-23 15:06:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:04,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:04,968 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:04,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-23 15:06:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:05,020 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:05,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:05,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:05,060 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 2 times [2022-07-23 15:06:05,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:05,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103949069] [2022-07-23 15:06:05,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:05,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:05,064 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:05,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [399718390] [2022-07-23 15:06:05,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 15:06:05,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:05,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:05,072 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:05,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-23 15:06:05,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 15:06:05,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 15:06:05,121 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:05,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:05,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:05,129 INFO L85 PathProgramCache]: Analyzing trace with hash -71585824, now seen corresponding path program 1 times [2022-07-23 15:06:05,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:05,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010265187] [2022-07-23 15:06:05,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:05,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:05,137 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:05,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178330370] [2022-07-23 15:06:05,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:05,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:05,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:05,143 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:05,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-23 15:06:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:05,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 15:06:05,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:05,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 15:06:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:05,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:05,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010265187] [2022-07-23 15:06:05,265 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 15:06:05,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178330370] [2022-07-23 15:06:05,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178330370] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 15:06:05,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 15:06:05,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2022-07-23 15:06:05,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143746579] [2022-07-23 15:06:05,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 15:06:05,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:05,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 15:06:05,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-23 15:06:05,412 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. cyclomatic complexity: 7 Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:05,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:05,491 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2022-07-23 15:06:05,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 15:06:05,493 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2022-07-23 15:06:05,493 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2022-07-23 15:06:05,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 57 transitions. [2022-07-23 15:06:05,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2022-07-23 15:06:05,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2022-07-23 15:06:05,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 57 transitions. [2022-07-23 15:06:05,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:05,494 INFO L369 hiAutomatonCegarLoop]: Abstraction has 47 states and 57 transitions. [2022-07-23 15:06:05,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 57 transitions. [2022-07-23 15:06:05,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2022-07-23 15:06:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2022-07-23 15:06:05,497 INFO L392 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-07-23 15:06:05,497 INFO L374 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-07-23 15:06:05,497 INFO L287 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-23 15:06:05,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2022-07-23 15:06:05,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:05,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:05,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:05,498 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:05,498 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:06:05,498 INFO L752 eck$LassoCheckResult]: Stem: 643#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 644#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 647#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 648#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 664#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 662#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 663#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 653#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 654#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 665#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 669#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 668#L74-4 q1_~i~1#1 := 0; 657#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 649#L76-2 [2022-07-23 15:06:05,498 INFO L754 eck$LassoCheckResult]: Loop: 649#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 650#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 649#L76-2 [2022-07-23 15:06:05,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:05,498 INFO L85 PathProgramCache]: Analyzing trace with hash -69873632, now seen corresponding path program 2 times [2022-07-23 15:06:05,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:05,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027852906] [2022-07-23 15:06:05,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:05,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:05,509 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:05,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968835338] [2022-07-23 15:06:05,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 15:06:05,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:05,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:05,511 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:05,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-23 15:06:05,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 15:06:05,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 15:06:05,589 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:05,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:05,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 3 times [2022-07-23 15:06:05,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:05,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226622755] [2022-07-23 15:06:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:05,620 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:05,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079020652] [2022-07-23 15:06:05,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 15:06:05,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:05,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:05,623 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:05,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-23 15:06:05,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-07-23 15:06:05,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 15:06:05,670 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:05,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:05,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1570918622, now seen corresponding path program 2 times [2022-07-23 15:06:05,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:05,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030038309] [2022-07-23 15:06:05,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:05,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:05,687 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:05,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735086656] [2022-07-23 15:06:05,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 15:06:05,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:05,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:05,690 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:05,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-23 15:06:05,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 15:06:05,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 15:06:05,765 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:05,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:07,177 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:07,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:07,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:07,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:07,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:07,178 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:07,178 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:07,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:07,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration9_Lasso [2022-07-23 15:06:07,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:07,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:07,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:07,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:09,431 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:09,431 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:09,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,437 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-23 15:06:09,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-07-23 15:06:09,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,472 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-23 15:06:09,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:09,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:09,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:09,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:09,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,497 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-23 15:06:09,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:09,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:09,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:09,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:09,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,564 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:09,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:09,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:09,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-23 15:06:09,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:09,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,608 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-23 15:06:09,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:09,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,643 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-23 15:06:09,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:09,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:09,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:09,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-23 15:06:09,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,671 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-23 15:06:09,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-23 15:06:09,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,698 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-23 15:06:09,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-23 15:06:09,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,730 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:09,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-23 15:06:09,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:09,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:09,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:09,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:09,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,757 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) [2022-07-23 15:06:09,758 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 [2022-07-23 15:06:09,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,787 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 [2022-07-23 15:06:09,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,788 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) [2022-07-23 15:06:09,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,798 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 [2022-07-23 15:06:09,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:09,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:09,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:09,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:09,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,818 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) [2022-07-23 15:06:09,819 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 [2022-07-23 15:06:09,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-23 15:06:09,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,857 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) [2022-07-23 15:06:09,858 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 [2022-07-23 15:06:09,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-23 15:06:09,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,885 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) [2022-07-23 15:06:09,886 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 [2022-07-23 15:06:09,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:09,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,923 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) [2022-07-23 15:06:09,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:09,939 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 [2022-07-23 15:06:09,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:09,979 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 [2022-07-23 15:06:09,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:09,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:09,980 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) [2022-07-23 15:06:09,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:09,987 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 [2022-07-23 15:06:09,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:09,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:09,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:09,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:09,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:09,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-23 15:06:10,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,023 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) [2022-07-23 15:06:10,024 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 [2022-07-23 15:06:10,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:10,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-23 15:06:10,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,056 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) [2022-07-23 15:06:10,056 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 [2022-07-23 15:06:10,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:10,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,101 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 [2022-07-23 15:06:10,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,102 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) [2022-07-23 15:06:10,103 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 [2022-07-23 15:06:10,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:10,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,130 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 [2022-07-23 15:06:10,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,131 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) [2022-07-23 15:06:10,134 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 [2022-07-23 15:06:10,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:10,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,160 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 [2022-07-23 15:06:10,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,161 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) [2022-07-23 15:06:10,162 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 [2022-07-23 15:06:10,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:10,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,189 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 [2022-07-23 15:06:10,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,190 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) [2022-07-23 15:06:10,203 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 [2022-07-23 15:06:10,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:10,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,247 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 [2022-07-23 15:06:10,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,249 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) [2022-07-23 15:06:10,249 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 [2022-07-23 15:06:10,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:10,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,300 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 [2022-07-23 15:06:10,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,301 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) [2022-07-23 15:06:10,303 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 [2022-07-23 15:06:10,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:10,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:10,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:10,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,340 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) [2022-07-23 15:06:10,341 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 [2022-07-23 15:06:10,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:10,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:10,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:10,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:10,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:10,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:10,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-07-23 15:06:10,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,367 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:10,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-23 15:06:10,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:10,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:10,376 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-23 15:06:10,376 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-07-23 15:06:10,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:10,417 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2022-07-23 15:06:10,417 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-07-23 15:06:10,496 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:10,617 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2022-07-23 15:06:10,618 INFO L444 ModelExtractionUtils]: 24 out of 50 variables were initially zero. Simplification set additionally 23 variables to zero. [2022-07-23 15:06:10,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:10,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,619 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:10,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-23 15:06:10,620 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:10,630 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2022-07-23 15:06:10,630 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:10,630 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~N~0#1, ULTIMATE.start_q1_~i~1#1) = 1*ULTIMATE.start_q1_~N~0#1 - 1*ULTIMATE.start_q1_~i~1#1 Supporting invariants [] [2022-07-23 15:06:10,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:10,675 INFO L293 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-07-23 15:06:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:10,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:10,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:06:10,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:10,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:10,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:10,786 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 15:06:10,786 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-07-23 15:06:10,802 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 38 states and 48 transitions. Complement of second has 4 states. [2022-07-23 15:06:10,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 15:06:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-07-23 15:06:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2022-07-23 15:06:10,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 2 letters. [2022-07-23 15:06:10,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:10,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 15 letters. Loop has 2 letters. [2022-07-23 15:06:10,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:10,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 4 letters. [2022-07-23 15:06:10,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:10,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2022-07-23 15:06:10,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 15:06:10,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 29 states and 35 transitions. [2022-07-23 15:06:10,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-07-23 15:06:10,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-07-23 15:06:10,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2022-07-23 15:06:10,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:10,806 INFO L369 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-07-23 15:06:10,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2022-07-23 15:06:10,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2022-07-23 15:06:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-07-23 15:06:10,808 INFO L392 hiAutomatonCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-07-23 15:06:10,808 INFO L374 stractBuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-07-23 15:06:10,808 INFO L287 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-07-23 15:06:10,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2022-07-23 15:06:10,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 15:06:10,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:10,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:10,809 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:10,809 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:10,809 INFO L752 eck$LassoCheckResult]: Stem: 817#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 818#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 821#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 822#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 839#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 837#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 838#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 840#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 841#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 831#L74-4 q1_~i~1#1 := 0; 832#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 823#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 824#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 819#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 820#L18-3 [2022-07-23 15:06:10,809 INFO L754 eck$LassoCheckResult]: Loop: 820#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 834#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 835#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 827#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 828#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 836#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 833#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 820#L18-3 [2022-07-23 15:06:10,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2075806767, now seen corresponding path program 1 times [2022-07-23 15:06:10,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:10,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080808749] [2022-07-23 15:06:10,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:10,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:10,823 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:10,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1921484528] [2022-07-23 15:06:10,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:10,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:10,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,825 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:10,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-07-23 15:06:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:10,877 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:10,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:10,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:10,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 3 times [2022-07-23 15:06:10,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:10,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660580643] [2022-07-23 15:06:10,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:10,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:10,905 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:10,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:10,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:10,910 INFO L85 PathProgramCache]: Analyzing trace with hash -548718141, now seen corresponding path program 1 times [2022-07-23 15:06:10,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:10,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143196963] [2022-07-23 15:06:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:10,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:10,918 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:10,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171957788] [2022-07-23 15:06:10,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:10,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:10,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:10,920 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:10,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-07-23 15:06:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:10,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 15:06:10,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-23 15:06:11,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 15:06:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-23 15:06:11,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:11,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143196963] [2022-07-23 15:06:11,051 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 15:06:11,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171957788] [2022-07-23 15:06:11,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171957788] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 15:06:11,051 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 15:06:11,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2022-07-23 15:06:11,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068051767] [2022-07-23 15:06:11,052 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 15:06:11,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:11,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 15:06:11,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 15:06:11,169 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2022-07-23 15:06:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:11,284 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-07-23 15:06:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 15:06:11,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2022-07-23 15:06:11,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 15:06:11,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 33 transitions. [2022-07-23 15:06:11,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-23 15:06:11,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-23 15:06:11,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2022-07-23 15:06:11,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:11,289 INFO L369 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-07-23 15:06:11,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2022-07-23 15:06:11,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-07-23 15:06:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-07-23 15:06:11,291 INFO L392 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-07-23 15:06:11,291 INFO L374 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-07-23 15:06:11,291 INFO L287 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-07-23 15:06:11,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2022-07-23 15:06:11,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 15:06:11,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:11,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:11,292 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:11,292 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:11,292 INFO L752 eck$LassoCheckResult]: Stem: 1018#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 1019#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1022#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 1023#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 1040#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 1038#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 1039#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1030#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1031#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1041#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1042#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1032#L74-4 q1_~i~1#1 := 0; 1033#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1024#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1025#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1026#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1027#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1020#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1021#L18-3 [2022-07-23 15:06:11,293 INFO L754 eck$LassoCheckResult]: Loop: 1021#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1035#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1036#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1028#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1029#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1037#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1034#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 1021#L18-3 [2022-07-23 15:06:11,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:11,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1273080179, now seen corresponding path program 2 times [2022-07-23 15:06:11,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:11,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241930660] [2022-07-23 15:06:11,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:11,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:11,302 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:11,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618969915] [2022-07-23 15:06:11,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 15:06:11,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:11,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:11,307 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:11,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-07-23 15:06:11,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 15:06:11,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 15:06:11,373 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:11,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:11,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:11,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 4 times [2022-07-23 15:06:11,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:11,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896007784] [2022-07-23 15:06:11,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:11,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:11,406 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:11,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:11,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:11,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1247881215, now seen corresponding path program 2 times [2022-07-23 15:06:11,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:11,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643136866] [2022-07-23 15:06:11,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:11,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:11,419 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:11,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [745351968] [2022-07-23 15:06:11,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 15:06:11,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:11,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:11,423 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:11,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-07-23 15:06:11,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 15:06:11,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 15:06:11,505 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:11,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:14,144 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:14,145 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:14,145 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:14,145 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:14,145 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:14,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:14,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:14,145 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:14,145 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration11_Lasso [2022-07-23 15:06:14,145 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:14,145 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:14,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:14,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:15,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:15,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:15,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:15,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:15,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:15,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:15,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:15,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:16,126 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:16,127 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:16,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,142 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-23 15:06:16,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,194 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-23 15:06:16,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,256 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-23 15:06:16,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,308 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-23 15:06:16,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,361 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-23 15:06:16,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-23 15:06:16,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,406 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-23 15:06:16,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,432 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-23 15:06:16,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-07-23 15:06:16,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,490 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-23 15:06:16,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-07-23 15:06:16,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,521 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-23 15:06:16,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-07-23 15:06:16,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,548 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-23 15:06:16,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,574 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-23 15:06:16,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-07-23 15:06:16,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,599 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-23 15:06:16,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:16,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:16,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:16,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-07-23 15:06:16,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,625 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-23 15:06:16,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,653 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-23 15:06:16,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-07-23 15:06:16,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,694 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-23 15:06:16,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-23 15:06:16,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,722 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-23 15:06:16,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,773 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-23 15:06:16,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,826 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-07-23 15:06:16,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-07-23 15:06:16,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,857 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-07-23 15:06:16,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-07-23 15:06:16,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,887 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-07-23 15:06:16,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:16,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,917 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-07-23 15:06:16,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-07-23 15:06:16,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,948 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-07-23 15:06:16,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:16,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-07-23 15:06:16,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:16,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:16,976 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:16,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-07-23 15:06:16,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:16,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:16,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:16,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:16,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:16,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:16,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:16,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:17,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-07-23 15:06:17,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:17,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:17,006 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:17,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-07-23 15:06:17,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:17,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:17,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:17,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:17,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:17,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:17,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:17,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:17,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:17,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:17,042 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:17,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-07-23 15:06:17,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:17,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:17,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:17,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:17,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:17,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:17,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:17,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:17,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:17,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:17,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:17,071 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:17,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-07-23 15:06:17,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:17,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:17,080 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-23 15:06:17,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:17,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:17,096 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-07-23 15:06:17,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:17,112 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:17,142 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-07-23 15:06:17,142 INFO L444 ModelExtractionUtils]: 25 out of 40 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-07-23 15:06:17,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:17,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:17,144 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:17,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-07-23 15:06:17,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:17,166 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 15:06:17,167 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:17,167 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~a~0#1, ULTIMATE.start_bubblesort_~size#1) = -1*ULTIMATE.start_bubblesort_~a~0#1 + 1*ULTIMATE.start_bubblesort_~size#1 Supporting invariants [] [2022-07-23 15:06:17,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:17,280 INFO L293 tatePredicateManager]: 32 out of 32 supporting invariants were superfluous and have been removed [2022-07-23 15:06:17,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:17,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:06:17,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:17,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:17,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 15:06:17,384 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 15:06:17,384 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:17,398 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 32 states and 39 transitions. Complement of second has 4 states. [2022-07-23 15:06:17,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 15:06:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-07-23 15:06:17,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 7 letters. [2022-07-23 15:06:17,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:17,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 25 letters. Loop has 7 letters. [2022-07-23 15:06:17,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:17,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 14 letters. [2022-07-23 15:06:17,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:17,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2022-07-23 15:06:17,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-23 15:06:17,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 38 transitions. [2022-07-23 15:06:17,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-23 15:06:17,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-07-23 15:06:17,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2022-07-23 15:06:17,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:17,401 INFO L369 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-07-23 15:06:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2022-07-23 15:06:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-07-23 15:06:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-07-23 15:06:17,403 INFO L392 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-07-23 15:06:17,403 INFO L374 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-07-23 15:06:17,403 INFO L287 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-07-23 15:06:17,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2022-07-23 15:06:17,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-23 15:06:17,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:17,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:17,404 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:17,404 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-23 15:06:17,404 INFO L752 eck$LassoCheckResult]: Stem: 1298#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 1299#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1302#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 1303#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 1325#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 1323#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 1324#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1312#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1313#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1326#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1327#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1314#L74-4 q1_~i~1#1 := 0; 1315#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1304#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1305#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1306#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1307#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1300#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1301#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1319#L20-3 [2022-07-23 15:06:17,404 INFO L754 eck$LassoCheckResult]: Loop: 1319#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1320#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1308#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1309#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1319#L20-3 [2022-07-23 15:06:17,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:17,404 INFO L85 PathProgramCache]: Analyzing trace with hash 810779970, now seen corresponding path program 1 times [2022-07-23 15:06:17,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:17,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352586734] [2022-07-23 15:06:17,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:17,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:17,412 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:17,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336040924] [2022-07-23 15:06:17,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:17,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:17,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:17,414 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:17,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2022-07-23 15:06:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:17,480 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:17,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:17,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:17,502 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 1 times [2022-07-23 15:06:17,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:17,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130398879] [2022-07-23 15:06:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:17,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:17,506 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:17,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:17,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:17,510 INFO L85 PathProgramCache]: Analyzing trace with hash 618057612, now seen corresponding path program 1 times [2022-07-23 15:06:17,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:17,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997092754] [2022-07-23 15:06:17,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:17,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:17,536 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 15:06:17,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1867778677] [2022-07-23 15:06:17,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:17,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:17,539 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:17,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:17,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2022-07-23 15:06:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:17,612 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:17,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:19,944 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:19,944 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:19,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:19,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:19,944 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:19,944 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:19,944 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:19,944 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:19,944 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration12_Lasso [2022-07-23 15:06:19,944 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:19,944 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:19,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:19,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,474 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 15:06:20,479 INFO L158 Benchmark]: Toolchain (without parser) took 20026.50ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 71.7MB in the beginning and 45.9MB in the end (delta: 25.8MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2022-07-23 15:06:20,479 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:06:20,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.28ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 74.3MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:06:20,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.22ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 72.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:06:20,480 INFO L158 Benchmark]: Boogie Preprocessor took 55.87ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 71.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:06:20,480 INFO L158 Benchmark]: RCFGBuilder took 313.59ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 58.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 15:06:20,480 INFO L158 Benchmark]: BuchiAutomizer took 19371.04ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 58.3MB in the beginning and 45.9MB in the end (delta: 12.4MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. [2022-07-23 15:06:20,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.28ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 74.3MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.22ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 72.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.87ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 71.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 313.59ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 58.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19371.04ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 58.3MB in the beginning and 45.9MB in the end (delta: 12.4MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-23 15:06:20,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:20,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2022-07-23 15:06:20,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2022-07-23 15:06:21,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:21,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:21,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2022-07-23 15:06:21,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-07-23 15:06:21,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-07-23 15:06:22,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-07-23 15:06:22,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-07-23 15:06:22,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:22,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-07-23 15:06:22,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:23,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-07-23 15:06:23,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null