./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/lis-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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/array-memsafety/lis-alloca-1.i -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 319f31ab0b5c801309acd19f3e336c9a25177d3201cf5ea4438ad6227d5f71cf --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:25:49,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:25:49,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:25:49,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:25:49,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:25:49,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:25:49,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:25:49,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:25:49,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:25:49,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:25:49,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:25:49,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:25:49,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:25:49,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:25:49,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:25:49,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:25:49,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:25:49,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:25:49,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:25:49,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:25:49,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:25:49,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:25:49,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:25:49,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:25:49,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:25:49,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:25:49,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:25:49,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:25:49,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:25:49,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:25:49,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:25:49,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:25:49,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:25:49,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:25:49,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:25:49,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:25:49,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:25:49,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:25:49,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:25:49,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:25:49,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:25:49,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:25:49,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:25:49,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:25:49,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:25:49,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:25:49,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:25:49,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:25:49,676 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:25:49,677 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:25:49,677 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:25:49,677 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:25:49,677 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:25:49,677 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:25:49,677 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:25:49,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:25:49,678 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:25:49,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:25:49,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:25:49,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:25:49,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:25:49,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:25:49,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:25:49,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:25:49,679 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:25:49,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:25:49,681 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:25:49,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:25:49,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:25:49,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:25:49,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:25:49,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:25:49,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:25:49,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:25:49,683 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:25:49,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 319f31ab0b5c801309acd19f3e336c9a25177d3201cf5ea4438ad6227d5f71cf [2021-12-15 17:25:49,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:25:49,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:25:49,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:25:49,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:25:49,886 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:25:49,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis-alloca-1.i [2021-12-15 17:25:49,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8609b25/ea4c05314b30474d9f5d79ce84bc1d62/FLAGb19487aad [2021-12-15 17:25:50,319 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:25:50,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis-alloca-1.i [2021-12-15 17:25:50,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8609b25/ea4c05314b30474d9f5d79ce84bc1d62/FLAGb19487aad [2021-12-15 17:25:50,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8609b25/ea4c05314b30474d9f5d79ce84bc1d62 [2021-12-15 17:25:50,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:25:50,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:25:50,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:25:50,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:25:50,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:25:50,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab116be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50, skipping insertion in model container [2021-12-15 17:25:50,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:25:50,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:25:50,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:25:50,633 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:25:50,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:25:50,672 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:25:50,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50 WrapperNode [2021-12-15 17:25:50,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:25:50,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:25:50,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:25:50,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:25:50,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,707 INFO L137 Inliner]: procedures = 116, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2021-12-15 17:25:50,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:25:50,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:25:50,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:25:50,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:25:50,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:25:50,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:25:50,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:25:50,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:25:50,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (1/1) ... [2021-12-15 17:25:50,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:50,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:50,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:50,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:25:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:25:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:25:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:25:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:25:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:25:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:25:50,921 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:25:50,923 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:25:51,114 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:25:51,118 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:25:51,121 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 17:25:51,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:25:51 BoogieIcfgContainer [2021-12-15 17:25:51,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:25:51,123 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:25:51,124 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:25:51,126 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:25:51,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:25:51,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:25:50" (1/3) ... [2021-12-15 17:25:51,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c904b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:25:51, skipping insertion in model container [2021-12-15 17:25:51,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:25:51,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:25:50" (2/3) ... [2021-12-15 17:25:51,128 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c904b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:25:51, skipping insertion in model container [2021-12-15 17:25:51,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:25:51,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:25:51" (3/3) ... [2021-12-15 17:25:51,129 INFO L388 chiAutomizerObserver]: Analyzing ICFG lis-alloca-1.i [2021-12-15 17:25:51,165 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:25:51,166 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:25:51,166 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:25:51,166 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:25:51,166 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:25:51,166 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:25:51,166 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:25:51,166 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:25:51,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:25:51,191 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2021-12-15 17:25:51,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:25:51,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:25:51,195 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:25:51,195 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:25:51,195 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:25:51,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:25:51,199 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2021-12-15 17:25:51,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:25:51,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:25:51,200 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:25:51,200 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:25:51,204 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 11#L530true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 7#L530-2true call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 4#L535-3true [2021-12-15 17:25:51,205 INFO L793 eck$LassoCheckResult]: Loop: 4#L535-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 17#L535-2true main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 4#L535-3true [2021-12-15 17:25:51,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:51,212 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-15 17:25:51,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:51,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668230576] [2021-12-15 17:25:51,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:51,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:51,299 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:25:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:51,324 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:25:51,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:51,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-12-15 17:25:51,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:51,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38373461] [2021-12-15 17:25:51,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:51,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:51,345 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:25:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:51,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:25:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:51,360 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-12-15 17:25:51,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:51,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484276307] [2021-12-15 17:25:51,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:51,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:51,388 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:25:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:51,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:25:51,645 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:25:51,645 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:25:51,645 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:25:51,645 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:25:51,646 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:25:51,646 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:51,646 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:25:51,646 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:25:51,646 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration1_Lasso [2021-12-15 17:25:51,646 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:25:51,647 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:25:51,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:51,995 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:25:51,997 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:25:51,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:51,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:52,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:52,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:25:52,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:52,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:52,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:52,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:52,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:52,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:52,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:52,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:52,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:52,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-15 17:25:52,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:52,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:52,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:25:52,073 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 [2021-12-15 17:25:52,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:52,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:52,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:52,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:52,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:52,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:52,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:52,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-15 17:25:52,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:52,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:52,121 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:52,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-15 17:25:52,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:52,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:52,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:52,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:52,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:52,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:52,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:52,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:52,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:52,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:52,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:52,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:52,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:52,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-15 17:25:52,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:52,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:52,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:52,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:52,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:52,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:52,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:52,259 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:25:52,316 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-12-15 17:25:52,316 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-15 17:25:52,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:52,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:52,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:52,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-15 17:25:52,396 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:25:52,405 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:25:52,405 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:25:52,405 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1) = -2*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2021-12-15 17:25:52,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:52,429 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-12-15 17:25:52,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:25:52,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-15 17:25:52,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:25:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:25:52,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-15 17:25:52,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:25:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:25:52,529 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-15 17:25:52,530 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-12-15 17:25:52,575 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) Result 47 states and 74 transitions. Complement of second has 9 states. [2021-12-15 17:25:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:25:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-12-15 17:25:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2021-12-15 17:25:52,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-15 17:25:52,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:25:52,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-15 17:25:52,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:25:52,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-15 17:25:52,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:25:52,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 74 transitions. [2021-12-15 17:25:52,595 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-15 17:25:52,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 21 states and 33 transitions. [2021-12-15 17:25:52,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-15 17:25:52,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-15 17:25:52,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 33 transitions. [2021-12-15 17:25:52,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:25:52,600 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 33 transitions. [2021-12-15 17:25:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 33 transitions. [2021-12-15 17:25:52,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-12-15 17:25:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:25:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 33 transitions. [2021-12-15 17:25:52,615 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 33 transitions. [2021-12-15 17:25:52,615 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 33 transitions. [2021-12-15 17:25:52,615 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:25:52,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 33 transitions. [2021-12-15 17:25:52,615 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-15 17:25:52,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:25:52,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:25:52,616 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:25:52,616 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:25:52,616 INFO L791 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 155#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 151#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 142#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 144#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 157#L517-3 [2021-12-15 17:25:52,616 INFO L793 eck$LassoCheckResult]: Loop: 157#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 156#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 157#L517-3 [2021-12-15 17:25:52,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:52,617 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-12-15 17:25:52,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:52,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840906145] [2021-12-15 17:25:52,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:52,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:25:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:25:52,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:25:52,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840906145] [2021-12-15 17:25:52,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840906145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:25:52,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:25:52,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:25:52,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434999107] [2021-12-15 17:25:52,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:25:52,661 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:25:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:52,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2021-12-15 17:25:52,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:52,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143513246] [2021-12-15 17:25:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:52,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:52,667 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:25:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:52,672 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:25:52,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:25:52,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:25:52,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:25:52,737 INFO L87 Difference]: Start difference. First operand 21 states and 33 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-12-15 17:25:52,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:25:52,753 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2021-12-15 17:25:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 17:25:52,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2021-12-15 17:25:52,754 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-15 17:25:52,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 30 transitions. [2021-12-15 17:25:52,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-15 17:25:52,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-15 17:25:52,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2021-12-15 17:25:52,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:25:52,755 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-12-15 17:25:52,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2021-12-15 17:25:52,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-12-15 17:25:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 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) [2021-12-15 17:25:52,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2021-12-15 17:25:52,757 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-12-15 17:25:52,757 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-12-15 17:25:52,757 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:25:52,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2021-12-15 17:25:52,757 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-15 17:25:52,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:25:52,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:25:52,758 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:25:52,758 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:25:52,758 INFO L791 eck$LassoCheckResult]: Stem: 196#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 205#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 201#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 192#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 193#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 194#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 195#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 207#L517-3 [2021-12-15 17:25:52,758 INFO L793 eck$LassoCheckResult]: Loop: 207#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 206#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 207#L517-3 [2021-12-15 17:25:52,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:52,759 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-12-15 17:25:52,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:52,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572696717] [2021-12-15 17:25:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:52,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:52,779 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:25:52,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:52,814 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:25:52,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:52,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2021-12-15 17:25:52,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:52,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268864393] [2021-12-15 17:25:52,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:52,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:52,820 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:25:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:52,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:25:52,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:52,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2021-12-15 17:25:52,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:52,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050738898] [2021-12-15 17:25:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:52,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:52,839 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:25:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:52,851 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:25:53,405 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:25:53,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:25:53,406 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:25:53,406 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:25:53,406 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:25:53,406 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:53,406 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:25:53,406 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:25:53,406 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration3_Lasso [2021-12-15 17:25:53,406 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:25:53,406 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:25:53,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:53,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:25:54,121 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:25:54,121 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:25:54,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,135 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-15 17:25:54,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-15 17:25:54,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,202 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-15 17:25:54,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,240 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 [2021-12-15 17:25:54,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,249 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-15 17:25:54,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,320 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-15 17:25:54,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,378 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-15 17:25:54,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:54,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:54,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,440 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-15 17:25:54,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,465 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-15 17:25:54,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:54,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:54,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-15 17:25:54,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,508 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:25:54,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,536 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:25:54,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-15 17:25:54,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,564 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-15 17:25:54,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-15 17:25:54,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,588 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-15 17:25:54,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,616 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-15 17:25:54,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:54,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:54,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,697 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-15 17:25:54,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,745 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:25:54,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,770 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:25:54,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:54,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:54,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,799 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 [2021-12-15 17:25:54,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,800 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-15 17:25:54,839 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 [2021-12-15 17:25:54,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,840 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-15 17:25:54,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,871 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 [2021-12-15 17:25:54,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,872 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-15 17:25:54,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:54,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:54,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,919 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 [2021-12-15 17:25:54,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,920 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-15 17:25:54,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:54,946 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:54,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-15 17:25:54,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:54,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:54,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:54,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:54,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:54,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:54,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:54,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:54,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:54,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:54,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:54,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:55,004 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) [2021-12-15 17:25:55,012 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 [2021-12-15 17:25:55,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:55,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:55,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:55,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:55,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:55,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:55,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:55,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:55,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:55,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:55,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:55,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:55,043 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) [2021-12-15 17:25:55,044 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 [2021-12-15 17:25:55,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:55,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:55,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:55,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:55,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:55,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:55,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:55,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:55,090 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 [2021-12-15 17:25:55,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:55,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:55,091 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:55,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-15 17:25:55,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:55,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:55,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:55,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:55,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:55,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:55,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:55,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:55,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:55,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:55,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:55,126 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:55,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-15 17:25:55,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:55,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:55,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:55,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:55,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:55,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:55,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:55,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:55,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:55,152 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 [2021-12-15 17:25:55,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:55,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:55,154 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:55,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-15 17:25:55,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:55,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:55,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:25:55,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:55,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:55,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:55,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:25:55,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:25:55,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:25:55,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:55,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:55,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:55,190 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:55,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-15 17:25:55,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:25:55,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:25:55,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:25:55,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:25:55,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:25:55,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:25:55,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:25:55,224 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:25:55,244 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-15 17:25:55,244 INFO L444 ModelExtractionUtils]: 9 out of 55 variables were initially zero. Simplification set additionally 42 variables to zero. [2021-12-15 17:25:55,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:25:55,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:25:55,245 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:25:55,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-15 17:25:55,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:25:55,268 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:25:55,268 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:25:55,268 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~prev~0#1.offset, v_rep(select #length ULTIMATE.start_lis_~prev~0#1.base)_1, ULTIMATE.start_lis_~i~0#1) = -1*ULTIMATE.start_lis_~prev~0#1.offset + 2*v_rep(select #length ULTIMATE.start_lis_~prev~0#1.base)_1 - 4*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2021-12-15 17:25:55,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-15 17:25:55,317 INFO L297 tatePredicateManager]: 18 out of 18 supporting invariants were superfluous and have been removed [2021-12-15 17:25:55,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:25:55,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:25:55,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:25:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:25:55,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-15 17:25:55,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:25:55,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:25:55,379 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:25:55,379 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:25:55,388 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 35 transitions. Complement of second has 7 states. [2021-12-15 17:25:55,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:25:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:25:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-12-15 17:25:55,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-15 17:25:55,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:25:55,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-15 17:25:55,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:25:55,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-15 17:25:55,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:25:55,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. [2021-12-15 17:25:55,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:25:55,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 31 transitions. [2021-12-15 17:25:55,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-15 17:25:55,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-15 17:25:55,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2021-12-15 17:25:55,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:25:55,391 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-12-15 17:25:55,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2021-12-15 17:25:55,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-15 17:25:55,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:25:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2021-12-15 17:25:55,392 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-12-15 17:25:55,392 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-12-15 17:25:55,392 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:25:55,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2021-12-15 17:25:55,392 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:25:55,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:25:55,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:25:55,393 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:25:55,393 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:25:55,393 INFO L791 eck$LassoCheckResult]: Stem: 367#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 368#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 376#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 372#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 363#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 364#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 365#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 366#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 383#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 384#L517-4 lis_~i~0#1 := 1; 375#L519-3 [2021-12-15 17:25:55,393 INFO L793 eck$LassoCheckResult]: Loop: 375#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 369#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 370#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 375#L519-3 [2021-12-15 17:25:55,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:55,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811625, now seen corresponding path program 1 times [2021-12-15 17:25:55,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:55,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639707971] [2021-12-15 17:25:55,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:55,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:25:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 17:25:55,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:25:55,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639707971] [2021-12-15 17:25:55,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639707971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:25:55,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:25:55,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:25:55,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175719195] [2021-12-15 17:25:55,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:25:55,430 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:25:55,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:25:55,430 INFO L85 PathProgramCache]: Analyzing trace with hash 74687, now seen corresponding path program 1 times [2021-12-15 17:25:55,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:25:55,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636018816] [2021-12-15 17:25:55,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:25:55,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:25:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:55,432 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:25:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:25:55,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:25:55,444 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:818) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 17:25:55,446 INFO L158 Benchmark]: Toolchain (without parser) took 5094.77ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 60.7MB in the beginning and 66.8MB in the end (delta: -6.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-12-15 17:25:55,446 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:25:55,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.08ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 64.6MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:25:55,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.41ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:25:55,447 INFO L158 Benchmark]: Boogie Preprocessor took 38.05ms. Allocated memory is still 94.4MB. Free memory was 62.5MB in the beginning and 61.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:25:55,447 INFO L158 Benchmark]: RCFGBuilder took 375.56ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 49.0MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:25:55,447 INFO L158 Benchmark]: BuchiAutomizer took 4321.92ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 48.6MB in the beginning and 66.8MB in the end (delta: -18.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-12-15 17:25:55,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.08ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 64.6MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.41ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.05ms. Allocated memory is still 94.4MB. Free memory was 62.5MB in the beginning and 61.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.56ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 49.0MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4321.92ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 48.6MB in the beginning and 66.8MB in the end (delta: -18.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:25:55,492 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 [2021-12-15 17:25:55,683 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: UnsupportedOperationException: Set is immutable