./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 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/loops/bubble_sort-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:09:51,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:09:51,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:09:51,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:09:51,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:09:51,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:09:51,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:09:51,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:09:51,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:09:51,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:09:51,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:09:51,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:09:51,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:09:51,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:09:51,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:09:51,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:09:51,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:09:51,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:09:51,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:09:51,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:09:51,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:09:51,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:09:51,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:09:51,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:09:51,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:09:51,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:09:51,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:09:51,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:09:51,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:09:51,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:09:51,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:09:51,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:09:51,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:09:51,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:09:51,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:09:51,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:09:51,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:09:51,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:09:51,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:09:51,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:09:51,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:09:51,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:09:51,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:09:51,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:09:51,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:09:51,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:09:51,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:09:51,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:09:51,810 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:09:51,810 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:09:51,810 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:09:51,810 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:09:51,811 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:09:51,811 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:09:51,811 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:09:51,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:09:51,811 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:09:51,811 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:09:51,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:09:51,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:09:51,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:09:51,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:09:51,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:09:51,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:09:51,812 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:09:51,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:09:51,813 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:09:51,813 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:09:51,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:09:51,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:09:51,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:09:51,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:09:51,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:09:51,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:09:51,815 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:09:51,817 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 [2021-12-15 17:09:52,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:09:52,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:09:52,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:09:52,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:09:52,079 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:09:52,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/bubble_sort-1.c [2021-12-15 17:09:52,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e764bea1/799ae7c10ff34df6a61f526ace7e0436/FLAG36d08cc1f [2021-12-15 17:09:52,803 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:09:52,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c [2021-12-15 17:09:52,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e764bea1/799ae7c10ff34df6a61f526ace7e0436/FLAG36d08cc1f [2021-12-15 17:09:53,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e764bea1/799ae7c10ff34df6a61f526ace7e0436 [2021-12-15 17:09:53,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:09:53,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:09:53,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:09:53,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:09:53,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:09:53,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7bb8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53, skipping insertion in model container [2021-12-15 17:09:53,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:09:53,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:09:53,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-12-15 17:09:53,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:09:53,521 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:09:53,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-12-15 17:09:53,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:09:53,576 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:09:53,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53 WrapperNode [2021-12-15 17:09:53,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:09:53,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:09:53,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:09:53,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:09:53,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,639 INFO L137 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2021-12-15 17:09:53,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:09:53,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:09:53,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:09:53,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:09:53,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:09:53,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:09:53,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:09:53,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:09:53,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (1/1) ... [2021-12-15 17:09:53,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:53,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:53,729 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 17:09:53,851 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 17:09:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:09:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:09:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:09:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:09:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:09:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:09:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:09:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:09:53,996 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:09:53,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:09:54,208 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:09:54,213 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:09:54,213 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 17:09:54,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:09:54 BoogieIcfgContainer [2021-12-15 17:09:54,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:09:54,215 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:09:54,215 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:09:54,218 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:09:54,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:09:54,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:09:53" (1/3) ... [2021-12-15 17:09:54,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74c896d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:09:54, skipping insertion in model container [2021-12-15 17:09:54,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:09:54,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:53" (2/3) ... [2021-12-15 17:09:54,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74c896d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:09:54, skipping insertion in model container [2021-12-15 17:09:54,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:09:54,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:09:54" (3/3) ... [2021-12-15 17:09:54,221 INFO L388 chiAutomizerObserver]: Analyzing ICFG bubble_sort-1.c [2021-12-15 17:09:54,260 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:09:54,260 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:09:54,260 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:09:54,260 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:09:54,260 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:09:54,260 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:09:54,261 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:09:54,261 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:09:54,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:54,302 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-12-15 17:09:54,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:54,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:54,310 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:09:54,311 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:09:54,311 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:09:54,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:54,317 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-12-15 17:09:54,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:54,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:54,318 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:09:54,318 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:09:54,324 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 6#L56true assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 27#L65true assume q1_#t~switch17#1;q1_~i~1#1 := 0; 11#L66-3true [2021-12-15 17:09:54,324 INFO L793 eck$LassoCheckResult]: Loop: 11#L66-3true assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 12#L66-2true q1_#t~pre18#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre18#1; 11#L66-3true [2021-12-15 17:09:54,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:54,334 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-12-15 17:09:54,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:54,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964722533] [2021-12-15 17:09:54,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:54,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:54,498 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 17:09:54,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:54,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964722533] [2021-12-15 17:09:54,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964722533] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:09:54,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:09:54,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:09:54,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149714221] [2021-12-15 17:09:54,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:09:54,506 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:09:54,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:54,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2021-12-15 17:09:54,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:54,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438641354] [2021-12-15 17:09:54,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:54,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:54,536 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:54,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:54,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:09:54,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:09:54,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:09:54,692 INFO L87 Difference]: Start difference. First operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:54,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:09:54,714 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2021-12-15 17:09:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:09:54,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-12-15 17:09:54,722 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-15 17:09:54,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2021-12-15 17:09:54,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-15 17:09:54,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-15 17:09:54,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-12-15 17:09:54,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:09:54,728 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-12-15 17:09:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-12-15 17:09:54,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-12-15 17:09:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:54,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-12-15 17:09:54,751 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-15 17:09:54,751 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-15 17:09:54,752 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:09:54,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-12-15 17:09:54,754 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-15 17:09:54,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:54,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:54,754 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:09:54,754 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:09:54,755 INFO L791 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 61#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 64#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 65#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 77#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 76#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 71#L74-3 [2021-12-15 17:09:54,756 INFO L793 eck$LassoCheckResult]: Loop: 71#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 70#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 71#L74-3 [2021-12-15 17:09:54,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:54,758 INFO L85 PathProgramCache]: Analyzing trace with hash 889584664, now seen corresponding path program 1 times [2021-12-15 17:09:54,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:54,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918099012] [2021-12-15 17:09:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:54,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:54,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:54,795 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:54,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:54,795 INFO L85 PathProgramCache]: Analyzing trace with hash 2691, now seen corresponding path program 1 times [2021-12-15 17:09:54,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:54,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310875745] [2021-12-15 17:09:54,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:54,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:54,802 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:54,808 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:54,808 INFO L85 PathProgramCache]: Analyzing trace with hash 192371930, now seen corresponding path program 1 times [2021-12-15 17:09:54,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:54,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007518836] [2021-12-15 17:09:54,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:54,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:54,829 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:54,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:55,454 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:09:55,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:09:55,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:09:55,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:09:55,455 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:09:55,455 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:55,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:09:55,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:09:55,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration2_Lasso [2021-12-15 17:09:55,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:09:55,456 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:09:55,475 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 17:09:55,479 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 17:09:55,650 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 17:09:55,653 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 17:09:55,656 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 17:09:55,671 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 17:09:55,675 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 17:09:55,677 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 17:09:55,680 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 17:09:55,683 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 17:09:55,686 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 17:09:55,688 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 17:09:55,690 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 17:09:55,697 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 17:09:55,699 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 17:09:55,707 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 17:09:55,713 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 17:09:55,715 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 17:09:56,044 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:09:56,050 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:09:56,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,053 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 17:09:56,062 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 17:09:56,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:09:56,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:09:56,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:09:56,074 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 17:09:56,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,096 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 17:09:56,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,097 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 17:09:56,098 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 17:09:56,101 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 17:09:56,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:09:56,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,156 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 17:09:56,157 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 17:09:56,160 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 17:09:56,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,220 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 17:09:56,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,221 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 17:09:56,222 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 17:09:56,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:09:56,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,291 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 17:09:56,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,293 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 17:09:56,294 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 17:09:56,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:09:56,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,345 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 17:09:56,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,346 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 17:09:56,348 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 17:09:56,348 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 17:09:56,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,385 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 17:09:56,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:09:56,387 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 17:09:56,389 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 17:09:56,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,426 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 17:09:56,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,428 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 17:09:56,429 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 17:09:56,430 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 17:09:56,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:09:56,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:09:56,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:09:56,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-15 17:09:56,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,465 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 17:09:56,466 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 17:09:56,467 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 17:09:56,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,509 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 17:09:56,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,510 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 17:09:56,511 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 17:09:56,513 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 17:09:56,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:09:56,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-15 17:09:56,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,548 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 17:09:56,549 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 17:09:56,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:09:56,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:09:56,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:09:56,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:09:56,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:09:56,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:09:56,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:09:56,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:09:56,617 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-15 17:09:56,617 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-15 17:09:56,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:56,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:56,631 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 17:09:56,655 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:09:56,679 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 17:09:56,708 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:09:56,709 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:09:56,709 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~i~1#1, v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_1, ULTIMATE.start_q1_~#a~1#1.offset) = -4*ULTIMATE.start_q1_~i~1#1 + 2*v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_1 - 1*ULTIMATE.start_q1_~#a~1#1.offset Supporting invariants [] [2021-12-15 17:09:56,735 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 17:09:56,757 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-15 17:09:56,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:56,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:09:56,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:09:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:56,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-15 17:09:56,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:09:56,885 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 17:09:56,889 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 17:09:56,889 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:56,929 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 40 transitions. Complement of second has 7 states. [2021-12-15 17:09:56,929 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 17:09:56,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-12-15 17:09:56,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-15 17:09:56,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:09:56,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-15 17:09:56,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:09:56,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-15 17:09:56,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:09:56,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2021-12-15 17:09:56,940 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-12-15 17:09:56,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 36 transitions. [2021-12-15 17:09:56,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-15 17:09:56,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-15 17:09:56,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2021-12-15 17:09:56,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:09:56,943 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-12-15 17:09:56,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2021-12-15 17:09:56,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2021-12-15 17:09:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-12-15 17:09:56,946 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-12-15 17:09:56,946 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-12-15 17:09:56,946 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:09:56,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-12-15 17:09:56,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-15 17:09:56,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:56,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:56,948 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:56,949 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:09:56,949 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 182#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 183#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 196#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 194#L73 assume !q1_#t~switch17#1; 180#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 181#L18-3 [2021-12-15 17:09:56,949 INFO L793 eck$LassoCheckResult]: Loop: 181#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 192#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 191#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 181#L18-3 [2021-12-15 17:09:56,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:56,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 1 times [2021-12-15 17:09:56,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:56,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502543949] [2021-12-15 17:09:56,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:56,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:56,979 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 17:09:56,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:56,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502543949] [2021-12-15 17:09:56,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502543949] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:09:56,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:09:56,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:09:56,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771115190] [2021-12-15 17:09:56,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:09:56,981 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:09:56,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash 114407, now seen corresponding path program 1 times [2021-12-15 17:09:56,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:56,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610075903] [2021-12-15 17:09:56,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:56,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:09:56,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:56,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610075903] [2021-12-15 17:09:56,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610075903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:09:56,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:09:56,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:09:56,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048122575] [2021-12-15 17:09:56,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:09:56,998 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:09:56,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:09:56,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:09:56,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:09:56,999 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:09:57,014 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-12-15 17:09:57,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:09:57,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-12-15 17:09:57,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2021-12-15 17:09:57,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-15 17:09:57,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-15 17:09:57,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-12-15 17:09:57,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:09:57,016 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-12-15 17:09:57,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-12-15 17:09:57,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-12-15 17:09:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-12-15 17:09:57,018 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-12-15 17:09:57,018 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-12-15 17:09:57,018 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:09:57,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-12-15 17:09:57,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:57,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:57,019 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:57,019 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:09:57,019 INFO L791 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 225#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 228#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 229#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 243#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 241#L73 assume !q1_#t~switch17#1; 226#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 227#L18-3 [2021-12-15 17:09:57,019 INFO L793 eck$LassoCheckResult]: Loop: 227#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 238#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 239#L23 assume !(bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1); 233#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 240#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 237#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 227#L18-3 [2021-12-15 17:09:57,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 2 times [2021-12-15 17:09:57,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412283768] [2021-12-15 17:09:57,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:57,037 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 17:09:57,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:57,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412283768] [2021-12-15 17:09:57,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412283768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:09:57,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:09:57,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:09:57,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226229728] [2021-12-15 17:09:57,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:09:57,038 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:09:57,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,038 INFO L85 PathProgramCache]: Analyzing trace with hash -884895266, now seen corresponding path program 1 times [2021-12-15 17:09:57,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606221369] [2021-12-15 17:09:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:57,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:09:57,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:57,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606221369] [2021-12-15 17:09:57,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606221369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:09:57,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:09:57,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:09:57,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637124305] [2021-12-15 17:09:57,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:09:57,094 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:09:57,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:09:57,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:09:57,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:09:57,095 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:09:57,108 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2021-12-15 17:09:57,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:09:57,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2021-12-15 17:09:57,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2021-12-15 17:09:57,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-15 17:09:57,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-15 17:09:57,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2021-12-15 17:09:57,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:09:57,111 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-12-15 17:09:57,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2021-12-15 17:09:57,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-12-15 17:09:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-12-15 17:09:57,113 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-15 17:09:57,113 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-15 17:09:57,113 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-15 17:09:57,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-12-15 17:09:57,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:57,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:57,114 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:57,114 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:57,114 INFO L791 eck$LassoCheckResult]: Stem: 272#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 276#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 277#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 291#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 289#L73 assume !q1_#t~switch17#1; 274#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 275#L18-3 [2021-12-15 17:09:57,114 INFO L793 eck$LassoCheckResult]: Loop: 275#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 286#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 287#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 280#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 281#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 288#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 285#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 275#L18-3 [2021-12-15 17:09:57,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 3 times [2021-12-15 17:09:57,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574948467] [2021-12-15 17:09:57,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-15 17:09:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:57,134 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 17:09:57,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:57,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574948467] [2021-12-15 17:09:57,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574948467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:09:57,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:09:57,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:09:57,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817892263] [2021-12-15 17:09:57,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:09:57,136 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:09:57,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 1 times [2021-12-15 17:09:57,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147602633] [2021-12-15 17:09:57,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,143 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,150 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:57,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:09:57,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:09:57,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:09:57,286 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:09:57,293 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-12-15 17:09:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:09:57,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-12-15 17:09:57,295 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 25 transitions. [2021-12-15 17:09:57,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-15 17:09:57,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-15 17:09:57,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-12-15 17:09:57,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:09:57,295 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-15 17:09:57,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-12-15 17:09:57,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-12-15 17:09:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-12-15 17:09:57,297 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-15 17:09:57,297 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-15 17:09:57,297 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-15 17:09:57,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-12-15 17:09:57,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:57,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:57,298 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:57,298 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:09:57,298 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 319#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 322#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 323#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 337#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 335#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 336#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 330#L74-4 q1_~i~1#1 := 0; 325#L76-3 [2021-12-15 17:09:57,299 INFO L793 eck$LassoCheckResult]: Loop: 325#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 324#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 325#L76-3 [2021-12-15 17:09:57,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,299 INFO L85 PathProgramCache]: Analyzing trace with hash 192371872, now seen corresponding path program 1 times [2021-12-15 17:09:57,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847550584] [2021-12-15 17:09:57,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,306 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,312 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,313 INFO L85 PathProgramCache]: Analyzing trace with hash 3139, now seen corresponding path program 1 times [2021-12-15 17:09:57,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332543139] [2021-12-15 17:09:57,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,316 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:09:57,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615180147] [2021-12-15 17:09:57,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:09:57,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:57,318 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:09:57,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-15 17:09:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,355 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:57,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,363 INFO L85 PathProgramCache]: Analyzing trace with hash 185777442, now seen corresponding path program 1 times [2021-12-15 17:09:57,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304707846] [2021-12-15 17:09:57,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,373 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:09:57,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326892999] [2021-12-15 17:09:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:09:57,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:57,376 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:09:57,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-15 17:09:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:57,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:09:57,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:09:57,477 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 17:09:57,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 17:09:57,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:57,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304707846] [2021-12-15 17:09:57,477 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:09:57,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326892999] [2021-12-15 17:09:57,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326892999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:09:57,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:09:57,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:09:57,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026365146] [2021-12-15 17:09:57,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:09:57,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:09:57,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 17:09:57,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 17:09:57,624 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:09:57,672 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-12-15 17:09:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 17:09:57,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-12-15 17:09:57,677 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-12-15 17:09:57,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-12-15 17:09:57,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-12-15 17:09:57,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-12-15 17:09:57,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-12-15 17:09:57,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:09:57,678 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-12-15 17:09:57,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-12-15 17:09:57,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 22. [2021-12-15 17:09:57,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-15 17:09:57,680 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-15 17:09:57,680 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-15 17:09:57,680 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-15 17:09:57,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-12-15 17:09:57,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:57,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:57,682 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:57,682 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:57,683 INFO L791 eck$LassoCheckResult]: Stem: 420#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 424#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 425#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 440#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 438#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 439#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 432#L74-4 q1_~i~1#1 := 0; 433#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 422#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 423#L18-3 [2021-12-15 17:09:57,683 INFO L793 eck$LassoCheckResult]: Loop: 423#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 435#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 436#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 428#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 429#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 437#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 434#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 423#L18-3 [2021-12-15 17:09:57,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,683 INFO L85 PathProgramCache]: Analyzing trace with hash 185777387, now seen corresponding path program 1 times [2021-12-15 17:09:57,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979010322] [2021-12-15 17:09:57,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,691 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:57,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 2 times [2021-12-15 17:09:57,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862477195] [2021-12-15 17:09:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,714 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:57,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:57,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1443775097, now seen corresponding path program 1 times [2021-12-15 17:09:57,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638299626] [2021-12-15 17:09:57,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:57,809 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 17:09:57,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:57,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638299626] [2021-12-15 17:09:57,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638299626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:09:57,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:09:57,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:09:57,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250371944] [2021-12-15 17:09:57,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:09:57,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:09:57,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 17:09:57,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 17:09:57,937 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:09:57,986 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-12-15 17:09:57,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 17:09:57,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2021-12-15 17:09:57,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2021-12-15 17:09:57,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-15 17:09:57,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-15 17:09:57,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2021-12-15 17:09:57,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:09:57,988 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-15 17:09:57,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2021-12-15 17:09:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2021-12-15 17:09:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-12-15 17:09:57,989 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-15 17:09:57,990 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-15 17:09:57,990 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-15 17:09:57,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-12-15 17:09:57,990 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:57,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:57,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:57,990 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:57,990 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:09:57,990 INFO L791 eck$LassoCheckResult]: Stem: 483#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 484#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 487#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 488#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 503#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 501#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 502#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 493#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 494#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 495#L74-4 q1_~i~1#1 := 0; 496#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 489#L76-2 [2021-12-15 17:09:57,991 INFO L793 eck$LassoCheckResult]: Loop: 489#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 490#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 489#L76-2 [2021-12-15 17:09:57,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:57,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1465845666, now seen corresponding path program 1 times [2021-12-15 17:09:57,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:57,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446575303] [2021-12-15 17:09:57,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:57,998 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:09:57,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84231415] [2021-12-15 17:09:57,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:57,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:09:57,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:58,000 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:09:58,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-15 17:09:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:58,066 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:58,088 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:58,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:58,088 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 2 times [2021-12-15 17:09:58,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:58,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180794525] [2021-12-15 17:09:58,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:58,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:58,094 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:09:58,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743114950] [2021-12-15 17:09:58,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-15 17:09:58,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:09:58,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:58,096 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:09:58,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-15 17:09:58,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-15 17:09:58,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-15 17:09:58,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:58,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:58,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash -71585824, now seen corresponding path program 1 times [2021-12-15 17:09:58,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:58,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61693901] [2021-12-15 17:09:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:58,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:58,148 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:09:58,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [718659254] [2021-12-15 17:09:58,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:58,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:09:58,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:58,150 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:09:58,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-15 17:09:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:09:58,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-15 17:09:58,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:09:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:09:58,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 17:09:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:09:58,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:09:58,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61693901] [2021-12-15 17:09:58,310 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:09:58,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718659254] [2021-12-15 17:09:58,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718659254] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 17:09:58,311 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 17:09:58,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-12-15 17:09:58,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938418362] [2021-12-15 17:09:58,311 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 17:09:58,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:09:58,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-15 17:09:58,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-15 17:09:58,474 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. cyclomatic complexity: 7 Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:58,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:09:58,552 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2021-12-15 17:09:58,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-15 17:09:58,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2021-12-15 17:09:58,554 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-12-15 17:09:58,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 57 transitions. [2021-12-15 17:09:58,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-12-15 17:09:58,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-12-15 17:09:58,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 57 transitions. [2021-12-15 17:09:58,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:09:58,555 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-12-15 17:09:58,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 57 transitions. [2021-12-15 17:09:58,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2021-12-15 17:09:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:09:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-12-15 17:09:58,558 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-12-15 17:09:58,558 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-12-15 17:09:58,558 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-15 17:09:58,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2021-12-15 17:09:58,558 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:09:58,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:09:58,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:09:58,559 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:09:58,559 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:09:58,559 INFO L791 eck$LassoCheckResult]: Stem: 643#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 644#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 647#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 648#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 664#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 662#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 663#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 653#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 654#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 665#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 669#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 668#L74-4 q1_~i~1#1 := 0; 657#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 649#L76-2 [2021-12-15 17:09:58,559 INFO L793 eck$LassoCheckResult]: Loop: 649#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 650#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 649#L76-2 [2021-12-15 17:09:58,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:58,559 INFO L85 PathProgramCache]: Analyzing trace with hash -69873632, now seen corresponding path program 2 times [2021-12-15 17:09:58,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:58,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571944307] [2021-12-15 17:09:58,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:58,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:58,567 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:09:58,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983065129] [2021-12-15 17:09:58,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-15 17:09:58,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:09:58,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:58,569 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:09:58,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-15 17:09:58,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-15 17:09:58,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-15 17:09:58,627 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:58,659 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:58,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:58,660 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 3 times [2021-12-15 17:09:58,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:58,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755376767] [2021-12-15 17:09:58,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:58,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:58,663 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:09:58,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365765719] [2021-12-15 17:09:58,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-15 17:09:58,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:09:58,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:58,667 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:09:58,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-15 17:09:58,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-12-15 17:09:58,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-15 17:09:58,720 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:58,727 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:09:58,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:09:58,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1570918622, now seen corresponding path program 2 times [2021-12-15 17:09:58,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:09:58,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131221934] [2021-12-15 17:09:58,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:09:58,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:09:58,739 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:09:58,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470152676] [2021-12-15 17:09:58,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-15 17:09:58,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:09:58,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:58,743 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:09:58,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-15 17:09:58,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-15 17:09:58,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-15 17:09:58,815 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:09:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:09:58,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:00,228 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:10:00,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:10:00,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:10:00,231 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:10:00,231 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:10:00,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:00,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:10:00,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:10:00,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration9_Lasso [2021-12-15 17:10:00,232 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:10:00,232 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:10:00,236 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 17:10:00,246 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 17:10:00,248 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 17:10:00,249 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 17:10:00,251 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 17:10:00,253 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 17:10:00,255 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 17:10:00,257 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 17:10:00,927 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 17:10:00,937 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 17:10:00,938 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 17:10:00,940 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 17:10:00,942 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 17:10:00,947 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 17:10:00,950 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 17:10:02,190 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:10:02,190 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:10:02,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,193 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 17:10:02,194 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 17:10:02,195 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 17:10:02,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,247 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 17:10:02,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,248 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 17:10:02,251 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 17:10:02,253 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 17:10:02,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:02,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:02,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:02,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,279 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 17:10:02,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,280 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 17:10:02,281 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 17:10:02,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:02,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:02,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:02,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:02,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-15 17:10:02,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,323 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 17:10:02,325 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 17:10:02,326 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 17:10:02,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:02,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:02,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:02,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,351 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 17:10:02,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,352 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 17:10:02,353 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 17:10:02,354 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 17:10:02,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,379 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 17:10:02,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,381 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 17:10:02,381 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 17:10:02,382 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 17:10:02,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:02,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:02,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:02,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-15 17:10:02,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,420 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 17:10:02,421 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 17:10:02,422 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 17:10:02,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,447 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 17:10:02,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,448 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 17:10:02,449 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 17:10:02,450 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 17:10:02,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,477 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 17:10:02,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,478 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 17:10:02,479 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 17:10:02,481 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 17:10:02,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-15 17:10:02,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,507 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 17:10:02,507 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 17:10:02,509 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 17:10:02,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,533 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 17:10:02,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,535 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 17:10:02,536 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 17:10:02,537 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 17:10:02,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,562 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 17:10:02,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,563 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 17:10:02,572 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 17:10:02,577 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 17:10:02,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,607 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 17:10:02,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,608 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 17:10:02,609 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 17:10:02,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:02,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-15 17:10:02,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,636 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-15 17:10:02,638 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 17:10:02,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-15 17:10:02,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,671 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-15 17:10:02,676 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 17:10:02,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-15 17:10:02,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,711 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,716 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 17:10:02,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-15 17:10:02,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-15 17:10:02,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,742 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-15 17:10:02,744 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 17:10:02,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-15 17:10:02,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,770 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-15 17:10:02,772 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 17:10:02,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-15 17:10:02,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,798 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-15 17:10:02,802 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 17:10:02,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:02,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,828 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-15 17:10:02,830 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 17:10:02,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:02,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:02,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:02,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-15 17:10:02,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,853 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-15 17:10:02,855 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 17:10:02,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:02,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:02,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:02,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:02,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:02,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-15 17:10:02,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:02,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:02,881 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:02,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-15 17:10:02,883 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 17:10:02,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:02,889 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-15 17:10:02,889 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-15 17:10:02,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:02,931 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2021-12-15 17:10:02,932 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-15 17:10:03,015 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:10:03,071 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-15 17:10:03,071 INFO L444 ModelExtractionUtils]: 33 out of 50 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-12-15 17:10:03,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:03,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:03,072 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:03,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-15 17:10:03,075 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:10:03,083 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2021-12-15 17:10:03,084 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:10:03,084 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_2, ULTIMATE.start_q1_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_2 - 4*ULTIMATE.start_q1_~i~1#1 Supporting invariants [] [2021-12-15 17:10:03,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:03,132 INFO L297 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2021-12-15 17:10:03,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:03,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:10:03,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:03,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-15 17:10:03,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:03,260 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 17:10:03,262 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 17:10:03,262 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:03,306 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 48 transitions. Complement of second has 5 states. [2021-12-15 17:10:03,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:10:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-12-15 17:10:03,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 13 letters. Loop has 2 letters. [2021-12-15 17:10:03,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:03,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-15 17:10:03,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:03,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 13 letters. Loop has 4 letters. [2021-12-15 17:10:03,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:03,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2021-12-15 17:10:03,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:10:03,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 29 states and 35 transitions. [2021-12-15 17:10:03,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-12-15 17:10:03,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-15 17:10:03,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-12-15 17:10:03,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:10:03,322 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-12-15 17:10:03,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-12-15 17:10:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-12-15 17:10:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-12-15 17:10:03,324 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-12-15 17:10:03,324 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-12-15 17:10:03,324 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-15 17:10:03,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2021-12-15 17:10:03,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:10:03,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:10:03,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:10:03,324 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:10:03,325 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:10:03,325 INFO L791 eck$LassoCheckResult]: Stem: 820#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 821#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 824#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 825#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 842#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 840#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 841#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 843#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 844#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 834#L74-4 q1_~i~1#1 := 0; 835#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 826#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 827#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 822#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 823#L18-3 [2021-12-15 17:10:03,325 INFO L793 eck$LassoCheckResult]: Loop: 823#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 837#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 838#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 830#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 831#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 839#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 836#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 823#L18-3 [2021-12-15 17:10:03,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:03,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2075806767, now seen corresponding path program 1 times [2021-12-15 17:10:03,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:03,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051573786] [2021-12-15 17:10:03,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:03,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:03,332 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:10:03,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958858948] [2021-12-15 17:10:03,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:03,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:10:03,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:03,334 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:10:03,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-12-15 17:10:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:03,381 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:03,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:03,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:03,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 3 times [2021-12-15 17:10:03,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:03,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222024046] [2021-12-15 17:10:03,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:03,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:03,410 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:03,414 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:03,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:03,415 INFO L85 PathProgramCache]: Analyzing trace with hash -548718141, now seen corresponding path program 1 times [2021-12-15 17:10:03,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:03,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348238788] [2021-12-15 17:10:03,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:03,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:03,421 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:10:03,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1369850127] [2021-12-15 17:10:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:03,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:10:03,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:03,423 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:10:03,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-12-15 17:10:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:03,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-15 17:10:03,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-15 17:10:03,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 17:10:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-15 17:10:03,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:10:03,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348238788] [2021-12-15 17:10:03,580 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:10:03,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369850127] [2021-12-15 17:10:03,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369850127] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 17:10:03,581 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 17:10:03,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-12-15 17:10:03,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234270083] [2021-12-15 17:10:03,581 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 17:10:03,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:03,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:10:03,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 17:10:03,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-15 17:10:03,723 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:03,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:10:03,805 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2021-12-15 17:10:03,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 17:10:03,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2021-12-15 17:10:03,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:10:03,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 33 transitions. [2021-12-15 17:10:03,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-15 17:10:03,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-15 17:10:03,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2021-12-15 17:10:03,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:10:03,807 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-12-15 17:10:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2021-12-15 17:10:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-12-15 17:10:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-12-15 17:10:03,809 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-15 17:10:03,809 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-15 17:10:03,809 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-15 17:10:03,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2021-12-15 17:10:03,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:10:03,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:10:03,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:10:03,810 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:10:03,810 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:10:03,810 INFO L791 eck$LassoCheckResult]: Stem: 1021#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 1022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1025#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 1026#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 1043#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 1041#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 1042#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1033#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1034#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1044#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1045#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1035#L74-4 q1_~i~1#1 := 0; 1036#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1027#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1028#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1029#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1030#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1023#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1024#L18-3 [2021-12-15 17:10:03,810 INFO L793 eck$LassoCheckResult]: Loop: 1024#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1038#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1039#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1031#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1032#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1040#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1037#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 1024#L18-3 [2021-12-15 17:10:03,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:03,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1273080179, now seen corresponding path program 2 times [2021-12-15 17:10:03,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:03,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081118057] [2021-12-15 17:10:03,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:03,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:03,830 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:10:03,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1880975212] [2021-12-15 17:10:03,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-15 17:10:03,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:10:03,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:03,832 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:10:03,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-12-15 17:10:03,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-15 17:10:03,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-15 17:10:03,904 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:03,930 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:03,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:03,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 4 times [2021-12-15 17:10:03,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:03,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519727383] [2021-12-15 17:10:03,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:03,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:03,936 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:03,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:03,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1247881215, now seen corresponding path program 2 times [2021-12-15 17:10:03,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:03,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431411562] [2021-12-15 17:10:03,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:03,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:03,949 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:10:03,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992410727] [2021-12-15 17:10:03,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-15 17:10:03,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:10:03,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:03,951 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:10:03,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-12-15 17:10:04,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-15 17:10:04,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-15 17:10:04,028 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:04,064 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:07,357 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:10:07,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:10:07,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:10:07,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:10:07,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:10:07,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:07,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:10:07,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:10:07,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration11_Lasso [2021-12-15 17:10:07,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:10:07,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:10:07,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:07,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:07,363 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 17:10:07,365 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 17:10:07,366 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 17:10:07,367 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 17:10:07,369 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 17:10:07,375 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 17:10:07,377 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 17:10:07,378 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 17:10:07,381 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 17:10:07,383 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 17:10:07,384 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 17:10:07,386 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 17:10:07,400 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 17:10:07,402 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 17:10:07,403 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 17:10:07,405 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 17:10:07,411 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 17:10:07,413 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 17:10:07,415 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 17:10:07,417 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 17:10:08,340 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 17:10:09,192 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:10:09,193 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:10:09,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,196 INFO L229 MonitoredProcess]: Starting monitored process 49 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 17:10:09,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-15 17:10:09,206 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 17:10:09,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-15 17:10:09,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,230 INFO L229 MonitoredProcess]: Starting monitored process 50 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 17:10:09,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-15 17:10:09,232 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 17:10:09,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-15 17:10:09,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,255 INFO L229 MonitoredProcess]: Starting monitored process 51 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 17:10:09,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-15 17:10:09,256 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 17:10:09,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,279 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-15 17:10:09,281 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 17:10:09,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,310 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-15 17:10:09,313 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 17:10:09,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-15 17:10:09,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,335 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-15 17:10:09,337 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 17:10:09,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,360 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-15 17:10:09,362 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 17:10:09,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-15 17:10:09,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,416 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-15 17:10:09,418 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 17:10:09,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,447 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-15 17:10:09,449 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 17:10:09,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,473 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-15 17:10:09,475 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 17:10:09,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-15 17:10:09,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,498 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,508 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 17:10:09,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-15 17:10:09,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,548 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-15 17:10:09,550 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 17:10:09,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-15 17:10:09,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,573 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-15 17:10:09,576 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 17:10:09,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-15 17:10:09,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,602 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-15 17:10:09,604 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 17:10:09,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,631 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-15 17:10:09,634 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 17:10:09,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-15 17:10:09,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,657 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-15 17:10:09,659 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 17:10:09,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-15 17:10:09,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,682 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-15 17:10:09,684 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 17:10:09,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-15 17:10:09,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,717 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-15 17:10:09,719 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 17:10:09,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-15 17:10:09,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,747 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-15 17:10:09,750 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 17:10:09,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,773 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-15 17:10:09,776 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 17:10:09,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:09,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:09,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:09,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,798 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-15 17:10:09,800 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 17:10:09,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,825 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-15 17:10:09,827 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 17:10:09,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-15 17:10:09,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,859 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-15 17:10:09,861 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 17:10:09,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-15 17:10:09,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,885 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-15 17:10:09,887 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 17:10:09,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-15 17:10:09,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,922 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-15 17:10:09,924 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 17:10:09,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-15 17:10:09,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,949 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-15 17:10:09,951 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 17:10:09,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:09,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:09,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,976 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:09,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-15 17:10:09,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:09,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:09,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:09,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:09,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:09,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:09,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:09,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:10,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-15 17:10:10,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:10,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,007 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:10,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-15 17:10:10,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:10,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:10,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:10,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:10,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:10,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:10,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:10,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:10,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:10,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:10,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,035 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:10,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-15 17:10:10,036 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 17:10:10,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:10,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:10,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:10,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:10,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:10,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:10,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:10,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-15 17:10:10,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:10,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,063 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:10,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-15 17:10:10,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:10,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:10,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:10,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:10,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:10,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:10,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:10,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:10,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:10,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-15 17:10:10,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:10,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,089 INFO L229 MonitoredProcess]: Starting monitored process 79 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 17:10:10,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-15 17:10:10,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:10,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:10,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:10,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:10,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:10,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:10,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:10,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:10,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-12-15 17:10:10,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:10,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,115 INFO L229 MonitoredProcess]: Starting monitored process 80 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 17:10:10,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-15 17:10:10,117 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 17:10:10,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:10,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:10,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:10,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:10,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:10,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:10,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:10,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-15 17:10:10,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:10,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,142 INFO L229 MonitoredProcess]: Starting monitored process 81 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 17:10:10,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-15 17:10:10,143 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 17:10:10,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:10,149 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-15 17:10:10,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:10,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:10,159 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-15 17:10:10,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:10,172 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:10:10,238 INFO L443 ModelExtractionUtils]: Simplification made 35 calls to the SMT solver. [2021-12-15 17:10:10,238 INFO L444 ModelExtractionUtils]: 8 out of 37 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-12-15 17:10:10,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:10,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,239 INFO L229 MonitoredProcess]: Starting monitored process 82 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 17:10:10,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-15 17:10:10,240 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:10:10,246 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:10:10,246 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:10:10,246 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~r~0#1, ULTIMATE.start_bubblesort_~a~0#1) = 5*ULTIMATE.start_q1_~r~0#1 - 4*ULTIMATE.start_bubblesort_~a~0#1 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_3 + 1*ULTIMATE.start_bubblesort_~item#1.offset + 8 >= 0] [2021-12-15 17:10:10,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-15 17:10:10,315 INFO L297 tatePredicateManager]: 19 out of 22 supporting invariants were superfluous and have been removed [2021-12-15 17:10:10,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-15 17:10:10,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:10,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:10:10,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:10,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-15 17:10:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:10,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:10:10,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:10:11,035 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-15 17:10:11,035 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:11,272 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 52 transitions. Complement of second has 11 states. [2021-12-15 17:10:11,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-15 17:10:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2021-12-15 17:10:11,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-15 17:10:11,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:11,275 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:10:11,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:11,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:10:11,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:11,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-15 17:10:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:11,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:10:11,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:10:11,811 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-15 17:10:11,811 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:11,989 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 53 transitions. Complement of second has 11 states. [2021-12-15 17:10:11,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-15 17:10:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2021-12-15 17:10:11,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-15 17:10:11,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:11,995 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:10:12,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:12,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:10:12,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:12,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-15 17:10:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:12,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:10:12,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:10:12,575 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-15 17:10:12,576 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:12,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 64 transitions. Complement of second has 11 states. [2021-12-15 17:10:12,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-15 17:10:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 55 transitions. [2021-12-15 17:10:12,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 55 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-15 17:10:12,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:12,796 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:10:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:12,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:10:12,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:12,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-15 17:10:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:13,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:10:13,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:10:13,423 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-15 17:10:13,423 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:13,631 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 64 transitions. Complement of second has 11 states. [2021-12-15 17:10:13,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-15 17:10:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 55 transitions. [2021-12-15 17:10:13,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 55 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-15 17:10:13,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:13,634 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:10:13,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:13,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:10:13,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:13,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-15 17:10:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:14,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:10:14,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:10:14,355 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-15 17:10:14,356 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:14,705 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 236 states and 358 transitions. Complement of second has 29 states 11 powerset states18 rank states. The highest rank that occured is 1 [2021-12-15 17:10:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-15 17:10:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:10:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 122 transitions. [2021-12-15 17:10:14,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 122 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-15 17:10:14,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:14,707 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:10:14,707 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) 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 17:10:14,710 INFO L158 Benchmark]: Toolchain (without parser) took 21547.88ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 50.7MB in the beginning and 24.9MB in the end (delta: 25.8MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2021-12-15 17:10:14,711 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:14,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.84ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.5MB in the beginning and 75.1MB in the end (delta: -24.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:10:14,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.16ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:10:14,717 INFO L158 Benchmark]: Boogie Preprocessor took 50.19ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 71.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:14,717 INFO L158 Benchmark]: RCFGBuilder took 522.72ms. Allocated memory is still 98.6MB. Free memory was 71.4MB in the beginning and 59.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 17:10:14,717 INFO L158 Benchmark]: BuchiAutomizer took 20494.24ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 59.4MB in the beginning and 24.9MB in the end (delta: 34.5MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2021-12-15 17:10:14,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.84ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.5MB in the beginning and 75.1MB in the end (delta: -24.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.16ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.19ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 71.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.72ms. Allocated memory is still 98.6MB. Free memory was 71.4MB in the beginning and 59.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 20494.24ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 59.4MB in the beginning and 24.9MB in the end (delta: 34.5MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:10:14,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2021-12-15 17:10:14,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2021-12-15 17:10:15,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:15,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:15,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-12-15 17:10:15,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:15,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-12-15 17:10:16,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-12-15 17:10:16,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-15 17:10:16,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-15 17:10:16,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:16,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-15 17:10:17,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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: AssertionError: no settings was sufficient