./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cb74f7a1bb788b2c5a3efb057591b3727e299c90 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:56,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:56,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:56,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:56,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:56,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:56,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:56,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:56,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:56,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:56,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:56,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:56,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:56,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:56,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:56,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:56,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:56,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:56,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:56,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:56,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:56,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:56,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:56,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:56,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:56,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:56,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:56,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:56,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:56,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:56,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:56,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:56,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:56,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:56,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:56,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:56,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:56,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:56,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:56,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:56,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:56,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-12 23:59:56,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:56,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:56,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:56,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:56,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:56,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:56,811 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:56,812 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-12 23:59:56,812 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-12 23:59:56,812 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-12 23:59:56,813 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-12 23:59:56,813 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-12 23:59:56,814 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-12 23:59:56,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:56,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-12 23:59:56,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:56,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:56,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-12 23:59:56,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-12 23:59:56,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-12 23:59:56,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:56,816 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-12 23:59:56,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:56,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-12 23:59:56,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:56,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:56,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:56,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:56,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:56,819 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-12 23:59:56,820 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb74f7a1bb788b2c5a3efb057591b3727e299c90 [2021-10-12 23:59:57,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:57,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:57,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:57,195 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:57,195 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:57,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i [2021-10-12 23:59:57,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/data/f0cd0a9ea/ec21e7b5a695474d98a9c97cbd2e1288/FLAG70facfeb6 [2021-10-12 23:59:57,954 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:57,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i [2021-10-12 23:59:57,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/data/f0cd0a9ea/ec21e7b5a695474d98a9c97cbd2e1288/FLAG70facfeb6 [2021-10-12 23:59:58,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/data/f0cd0a9ea/ec21e7b5a695474d98a9c97cbd2e1288 [2021-10-12 23:59:58,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:58,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:58,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:58,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:58,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:58,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6c8a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58, skipping insertion in model container [2021-10-12 23:59:58,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:58,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:58,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:58,627 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:58,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:58,697 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:58,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58 WrapperNode [2021-10-12 23:59:58,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:58,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:58,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:58,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:58,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:58,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:58,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:58,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:58,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:58,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:58,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:58,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:58,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (1/1) ... [2021-10-12 23:59:58,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:58,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:58,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-12 23:59:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-12 23:59:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-12 23:59:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:59,186 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:59,186 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-12 23:59:59,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:59 BoogieIcfgContainer [2021-10-12 23:59:59,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:59,189 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-12 23:59:59,189 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-12 23:59:59,193 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-12 23:59:59,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:59,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 11:59:58" (1/3) ... [2021-10-12 23:59:59,195 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27565958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:59, skipping insertion in model container [2021-10-12 23:59:59,195 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:59,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:58" (2/3) ... [2021-10-12 23:59:59,196 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27565958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:59, skipping insertion in model container [2021-10-12 23:59:59,196 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:59,196 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:59" (3/3) ... [2021-10-12 23:59:59,197 INFO L389 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-1.i [2021-10-12 23:59:59,241 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-12 23:59:59,241 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-12 23:59:59,242 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-12 23:59:59,242 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-12 23:59:59,242 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-12 23:59:59,242 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-12 23:59:59,242 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-12 23:59:59,242 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-12 23:59:59,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:59,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-12 23:59:59,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:59,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:59,288 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-12 23:59:59,288 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:59,289 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-12 23:59:59,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:59,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-12 23:59:59,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:59,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:59,293 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-12 23:59:59,294 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:59,299 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 12#L562true assume !(main_~array_size~0 < 1); 14#L562-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 7#L550-3true [2021-10-12 23:59:59,299 INFO L793 eck$LassoCheckResult]: Loop: 7#L550-3true assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 6#L551-3true assume !true; 13#L550-2true bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 7#L550-3true [2021-10-12 23:59:59,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:59,304 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-12 23:59:59,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:59,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409714979] [2021-10-12 23:59:59,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:59,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:59,481 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:59,545 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:59,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:59,551 INFO L82 PathProgramCache]: Analyzing trace with hash 47218, now seen corresponding path program 1 times [2021-10-12 23:59:59,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:59,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375638598] [2021-10-12 23:59:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:59,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:59,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:59,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375638598] [2021-10-12 23:59:59,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375638598] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:59,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:59,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:59,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708152776] [2021-10-12 23:59:59,654 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-12 23:59:59,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:59,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-12 23:59:59,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:59,693 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:59,704 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-10-12 23:59:59,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-12 23:59:59,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-10-12 23:59:59,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-12 23:59:59,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2021-10-12 23:59:59,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-12 23:59:59,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-12 23:59:59,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2021-10-12 23:59:59,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-12 23:59:59,719 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-10-12 23:59:59,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2021-10-12 23:59:59,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-12 23:59:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2021-10-12 23:59:59,753 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-10-12 23:59:59,753 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-10-12 23:59:59,753 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-12 23:59:59,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2021-10-12 23:59:59,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-12 23:59:59,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:59,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:59,756 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-12 23:59:59,756 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:59,756 INFO L791 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 35#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 40#L562 assume !(main_~array_size~0 < 1); 41#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 42#L550-3 [2021-10-12 23:59:59,757 INFO L793 eck$LassoCheckResult]: Loop: 42#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 37#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 38#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 42#L550-3 [2021-10-12 23:59:59,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:59,758 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-10-12 23:59:59,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:59,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796823751] [2021-10-12 23:59:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:59,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:59,795 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:59,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:59,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:59,843 INFO L82 PathProgramCache]: Analyzing trace with hash 46877, now seen corresponding path program 1 times [2021-10-12 23:59:59,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:59,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907762977] [2021-10-12 23:59:59,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:59,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:59,854 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:59,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:59,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:59,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818489, now seen corresponding path program 1 times [2021-10-12 23:59:59,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:59,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008614833] [2021-10-12 23:59:59,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:59,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:59,895 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:59,942 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:00,027 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:00,028 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:00,028 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:00,028 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:00,028 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:00:00,029 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,029 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:00,029 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:00,029 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration2_Loop [2021-10-13 00:00:00,041 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:00,043 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:00,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,172 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:00,173 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:00:00,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:00:00,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:00,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:00:00,223 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:00:00,223 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_#t~post2=0} Honda state: {ULTIMATE.start_bubbleSort_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:00:00,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:00,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,266 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:00:00,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:00:00,271 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:00,293 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:00:00,293 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_1=1} Honda state: {v_rep~unnamed0~0~P_PID_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:00:00,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:00,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:00:00,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:00:00,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:00,372 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:00:00,372 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_1=2} Honda state: {v_rep~unnamed0~0~P_PGID_1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:00:00,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:00,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:00:00,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:00:00,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:00,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:00,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,495 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:00:00,506 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:00,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:00:00,585 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:00:00,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:00,592 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:00,592 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:00,593 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:00,593 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:00,593 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:00:00,593 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,593 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:00,593 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:00,593 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration2_Loop [2021-10-13 00:00:00,593 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:00,594 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:00,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:00,718 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:00,722 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:00:00,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,725 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,733 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 [2021-10-13 00:00:00,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:00:00,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:00,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:00,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:00,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:00,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:00,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:00,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:00,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:00,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:00,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,809 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,817 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 [2021-10-13 00:00:00,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:00,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:00,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:00,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:00,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:00,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:00,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:00,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:00:00,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:00:00,857 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:00:00,858 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:00:00,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,860 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,866 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:00:00,866 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:00:00,866 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:00:00,867 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0) = 2*ULTIMATE.start_bubbleSort_~i~0 + 1 Supporting invariants [] [2021-10-13 00:00:00,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:00:00,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:00,911 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:00:00,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:00,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:00:00,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:00,992 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:00:00,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:01,056 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 [2021-10-13 00:00:01,057 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4 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) [2021-10-13 00:00:01,104 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4. 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) Result 15 states and 22 transitions. Complement of second has 4 states. [2021-10-13 00:00:01,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:00:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-10-13 00:00:01,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2021-10-13 00:00:01,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-13 00:00:01,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:01,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-13 00:00:01,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:01,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-13 00:00:01,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:01,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. [2021-10-13 00:00:01,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:01,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 20 transitions. [2021-10-13 00:00:01,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-13 00:00:01,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-13 00:00:01,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2021-10-13 00:00:01,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:01,122 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-10-13 00:00:01,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2021-10-13 00:00:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2021-10-13 00:00:01,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2021-10-13 00:00:01,126 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2021-10-13 00:00:01,126 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2021-10-13 00:00:01,126 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:00:01,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2021-10-13 00:00:01,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:01,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:01,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:01,129 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:00:01,129 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:01,129 INFO L791 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 100#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 108#L562 assume !(main_~array_size~0 < 1); 109#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 110#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 102#L551-3 [2021-10-13 00:00:01,130 INFO L793 eck$LassoCheckResult]: Loop: 102#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 105#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 101#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 102#L551-3 [2021-10-13 00:00:01,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:01,130 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2021-10-13 00:00:01,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:01,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732150561] [2021-10-13 00:00:01,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:01,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:01,160 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:01,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:01,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:01,185 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2021-10-13 00:00:01,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:01,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785780822] [2021-10-13 00:00:01,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:01,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:01,209 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:01,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:01,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:01,225 INFO L82 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2021-10-13 00:00:01,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:01,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589670411] [2021-10-13 00:00:01,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:01,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:01,263 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:01,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:01,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:01,844 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:01,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:01,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:01,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:01,845 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:00:01,845 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:01,845 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:01,845 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:01,845 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration3_Lasso [2021-10-13 00:00:01,845 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:01,845 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:01,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:01,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:02,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:02,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:02,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:02,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:02,351 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:02,351 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:00:02,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,356 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:00:02,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:00:02,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:02,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:02,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:02,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:02,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,435 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:00:02,445 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 [2021-10-13 00:00:02,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:02,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:02,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:02,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:02,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,509 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:00:02,512 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 [2021-10-13 00:00:02,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:02,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:02,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:02,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:02,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,582 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,592 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 [2021-10-13 00:00:02,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:02,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:02,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:00:02,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:02,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,660 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:00:02,665 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 [2021-10-13 00:00:02,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:02,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:02,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:02,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:02,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,733 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,740 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 [2021-10-13 00:00:02,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:00:02,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:02,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:02,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:02,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,823 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:00:02,833 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 [2021-10-13 00:00:02,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:02,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:02,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-13 00:00:02,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,897 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:00:02,900 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 [2021-10-13 00:00:02,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:02,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:02,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:02,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:02,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:02,951 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:02,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:00:02,953 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 [2021-10-13 00:00:02,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:02,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:02,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:02,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:02,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:02,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:02,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:02,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:02,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:02,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:03,000 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:03,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:00:03,002 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 [2021-10-13 00:00:03,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:03,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:03,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:03,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:03,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:03,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:03,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:03,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:03,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:03,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:03,086 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:03,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:00:03,089 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 [2021-10-13 00:00:03,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:03,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:03,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:03,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:03,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:03,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:03,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:03,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:03,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:03,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:03,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:03,155 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:03,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:00:03,160 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 [2021-10-13 00:00:03,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:03,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:03,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:03,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:03,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:03,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:03,203 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:00:03,238 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-13 00:00:03,238 INFO L444 ModelExtractionUtils]: 12 out of 37 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-13 00:00:03,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:03,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:03,245 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:03,281 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:00:03,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:00:03,314 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:00:03,314 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:00:03,314 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0, ULTIMATE.start_bubbleSort_~j~0) = 2*ULTIMATE.start_bubbleSort_~i~0 - 2*ULTIMATE.start_bubbleSort_~j~0 + 1 Supporting invariants [] [2021-10-13 00:00:03,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:03,371 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-13 00:00:03,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:03,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:00:03,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:03,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:00:03,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:03,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:03,518 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 [2021-10-13 00:00:03,519 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:03,543 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 41 transitions. Complement of second has 7 states. [2021-10-13 00:00:03,544 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 [2021-10-13 00:00:03,544 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) [2021-10-13 00:00:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-13 00:00:03,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-13 00:00:03,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:03,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-13 00:00:03,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:03,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-13 00:00:03,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:03,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions. [2021-10-13 00:00:03,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:03,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 18 states and 26 transitions. [2021-10-13 00:00:03,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-13 00:00:03,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-13 00:00:03,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2021-10-13 00:00:03,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:03,551 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-10-13 00:00:03,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2021-10-13 00:00:03,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2021-10-13 00:00:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-10-13 00:00:03,553 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-13 00:00:03,553 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-13 00:00:03,553 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:00:03,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-10-13 00:00:03,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:03,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:03,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:03,555 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:03,555 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:03,556 INFO L791 eck$LassoCheckResult]: Stem: 204#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 205#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 213#L562 assume !(main_~array_size~0 < 1); 214#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 215#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 209#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 211#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 216#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 207#L551-3 [2021-10-13 00:00:03,556 INFO L793 eck$LassoCheckResult]: Loop: 207#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 210#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 206#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 207#L551-3 [2021-10-13 00:00:03,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:03,556 INFO L82 PathProgramCache]: Analyzing trace with hash 176798328, now seen corresponding path program 2 times [2021-10-13 00:00:03,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:03,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538426085] [2021-10-13 00:00:03,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:03,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:03,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:03,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538426085] [2021-10-13 00:00:03,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538426085] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:03,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:03,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:00:03,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214051744] [2021-10-13 00:00:03,599 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:00:03,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:03,599 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2021-10-13 00:00:03,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:03,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527229393] [2021-10-13 00:00:03,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:03,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:03,607 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:03,614 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:03,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:03,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:00:03,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:00:03,726 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2021-10-13 00:00:03,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:03,775 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2021-10-13 00:00:03,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:00:03,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-10-13 00:00:03,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:03,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 26 transitions. [2021-10-13 00:00:03,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-13 00:00:03,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-13 00:00:03,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-10-13 00:00:03,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:03,778 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-13 00:00:03,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-10-13 00:00:03,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2021-10-13 00:00:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-10-13 00:00:03,781 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 00:00:03,781 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 00:00:03,781 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:00:03,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-10-13 00:00:03,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:03,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:03,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:03,783 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:03,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:03,783 INFO L791 eck$LassoCheckResult]: Stem: 250#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 251#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 259#L562 assume !(main_~array_size~0 < 1); 260#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 261#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 257#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 258#L552 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 254#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 255#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 263#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 262#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 253#L551-3 [2021-10-13 00:00:03,784 INFO L793 eck$LassoCheckResult]: Loop: 253#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 256#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 252#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 253#L551-3 [2021-10-13 00:00:03,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:03,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1421271829, now seen corresponding path program 1 times [2021-10-13 00:00:03,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:03,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014475115] [2021-10-13 00:00:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:03,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:03,797 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:03,824 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:03,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:03,826 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2021-10-13 00:00:03,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:03,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317397752] [2021-10-13 00:00:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:03,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:03,833 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:03,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:03,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1321478696, now seen corresponding path program 1 times [2021-10-13 00:00:03,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:03,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454026008] [2021-10-13 00:00:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:03,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:03,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:03,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454026008] [2021-10-13 00:00:03,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454026008] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:00:03,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805839609] [2021-10-13 00:00:03,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:03,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:00:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:03,961 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:00:03,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-13 00:00:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:04,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:00:04,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:04,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805839609] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:00:04,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:00:04,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-13 00:00:04,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718921294] [2021-10-13 00:00:04,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:04,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:00:04,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:00:04,237 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:04,311 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-10-13 00:00:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:00:04,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2021-10-13 00:00:04,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:04,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 25 states and 34 transitions. [2021-10-13 00:00:04,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-13 00:00:04,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-13 00:00:04,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2021-10-13 00:00:04,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:04,316 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-10-13 00:00:04,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2021-10-13 00:00:04,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2021-10-13 00:00:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-10-13 00:00:04,318 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-13 00:00:04,318 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-13 00:00:04,318 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:00:04,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-10-13 00:00:04,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:04,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:04,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:04,320 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:04,320 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:04,320 INFO L791 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 351#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 361#L562 assume !(main_~array_size~0 < 1); 362#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 359#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 357#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 358#L552 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 354#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 355#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 365#L552 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 366#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 364#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 363#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 360#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 353#L551-3 [2021-10-13 00:00:04,323 INFO L793 eck$LassoCheckResult]: Loop: 353#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 356#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 352#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 353#L551-3 [2021-10-13 00:00:04,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:04,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1373641048, now seen corresponding path program 2 times [2021-10-13 00:00:04,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:04,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120259972] [2021-10-13 00:00:04,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:04,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:04,358 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:04,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:04,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:04,374 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 4 times [2021-10-13 00:00:04,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:04,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024606530] [2021-10-13 00:00:04,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:04,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:04,381 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:04,387 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:04,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:04,388 INFO L82 PathProgramCache]: Analyzing trace with hash -307910395, now seen corresponding path program 2 times [2021-10-13 00:00:04,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:04,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694385423] [2021-10-13 00:00:04,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:04,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:04,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:04,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694385423] [2021-10-13 00:00:04,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694385423] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:00:04,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50071040] [2021-10-13 00:00:04,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:00:04,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:00:04,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,645 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-13 00:00:04,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:00:04,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:00:04,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-13 00:00:04,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:04,924 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 00:00:04,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2021-10-13 00:00:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:00:04,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50071040] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:00:04,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:00:04,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 12 [2021-10-13 00:00:04,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67945199] [2021-10-13 00:00:05,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:05,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 00:00:05,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-13 00:00:05,046 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 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) [2021-10-13 00:00:05,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:05,163 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2021-10-13 00:00:05,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 00:00:05,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 50 transitions. [2021-10-13 00:00:05,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-13 00:00:05,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 50 transitions. [2021-10-13 00:00:05,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-13 00:00:05,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-13 00:00:05,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 50 transitions. [2021-10-13 00:00:05,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:05,168 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2021-10-13 00:00:05,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 50 transitions. [2021-10-13 00:00:05,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2021-10-13 00:00:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2021-10-13 00:00:05,173 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-10-13 00:00:05,173 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-10-13 00:00:05,173 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 00:00:05,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2021-10-13 00:00:05,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:00:05,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:05,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:05,175 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:05,175 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:05,175 INFO L791 eck$LassoCheckResult]: Stem: 471#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 472#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 484#L562 assume !(main_~array_size~0 < 1); 485#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 480#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 481#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 493#L552 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 475#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 476#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 479#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 488#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 492#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 486#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 487#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 474#L551-3 [2021-10-13 00:00:05,175 INFO L793 eck$LassoCheckResult]: Loop: 474#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 496#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 473#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 474#L551-3 [2021-10-13 00:00:05,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:05,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1371794006, now seen corresponding path program 3 times [2021-10-13 00:00:05,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:05,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073713192] [2021-10-13 00:00:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:05,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:05,188 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:05,202 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:05,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:05,203 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 5 times [2021-10-13 00:00:05,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:05,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926709943] [2021-10-13 00:00:05,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:05,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:05,208 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:05,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:05,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:05,214 INFO L82 PathProgramCache]: Analyzing trace with hash 501436231, now seen corresponding path program 4 times [2021-10-13 00:00:05,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:05,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196763911] [2021-10-13 00:00:05,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:05,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:05,231 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:05,247 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:06,034 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:06,034 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:06,034 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:06,034 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:06,034 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:00:06,034 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:06,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:06,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration7_Lasso [2021-10-13 00:00:06,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:06,035 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:06,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:06,613 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:06,613 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:00:06,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:06,619 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:06,620 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 [2021-10-13 00:00:06,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:06,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:06,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:06,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:06,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:06,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:06,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:06,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:00:06,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:06,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:06,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:06,677 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:06,679 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 [2021-10-13 00:00:06,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:06,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:06,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:06,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:06,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:00:06,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:06,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:06,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:06,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:06,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:06,740 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:06,741 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 [2021-10-13 00:00:06,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:06,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:06,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:06,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:06,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:06,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:06,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:06,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:00:06,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:06,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:06,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:06,797 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:06,799 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 [2021-10-13 00:00:06,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:06,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:06,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:06,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:06,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:06,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:06,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:00:06,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:06,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-13 00:00:06,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:06,850 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:06,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:00:06,852 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 [2021-10-13 00:00:06,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:06,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:06,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:06,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:06,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:06,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:06,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:06,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:06,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:06,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:06,881 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:06,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:00:06,883 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 [2021-10-13 00:00:06,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:06,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:06,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:06,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:06,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:06,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:06,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:06,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:06,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:06,914 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:06,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:00:06,915 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 [2021-10-13 00:00:06,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:06,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:06,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:06,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:06,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:06,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:06,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:06,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:06,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:06,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:06,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:06,971 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:06,973 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 [2021-10-13 00:00:06,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:06,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:06,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:06,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:06,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:06,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:06,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:00:07,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:07,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:07,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:07,057 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:07,061 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 [2021-10-13 00:00:07,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:07,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:07,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:07,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:07,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:07,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:07,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:00:07,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:00:07,134 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 00:00:07,135 INFO L444 ModelExtractionUtils]: 20 out of 31 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-13 00:00:07,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:07,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:07,137 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:07,144 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:00:07,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:00:07,165 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:00:07,166 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:00:07,166 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0, ULTIMATE.start_bubbleSort_~j~0) = 2*ULTIMATE.start_bubbleSort_~i~0 - 2*ULTIMATE.start_bubbleSort_~j~0 + 1 Supporting invariants [] [2021-10-13 00:00:07,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:07,225 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-13 00:00:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:07,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:00:07,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:07,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:00:07,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:07,332 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 [2021-10-13 00:00:07,332 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 70 transitions. Complement of second has 7 states. [2021-10-13 00:00:07,362 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 [2021-10-13 00:00:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-13 00:00:07,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-13 00:00:07,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:07,364 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:00:07,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:07,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:00:07,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:07,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:00:07,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:07,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:07,481 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:00:07,482 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-13 00:00:07,506 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 70 transitions. Complement of second has 7 states. [2021-10-13 00:00:07,507 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 [2021-10-13 00:00:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-13 00:00:07,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-13 00:00:07,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:07,508 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:00:07,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:07,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:00:07,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:07,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:00:07,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:07,606 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:00:07,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,629 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 58 transitions. Complement of second has 6 states. [2021-10-13 00:00:07,630 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 [2021-10-13 00:00:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-13 00:00:07,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-13 00:00:07,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:07,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 3 letters. [2021-10-13 00:00:07,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:07,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 00:00:07,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:07,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 58 transitions. [2021-10-13 00:00:07,634 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:00:07,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-10-13 00:00:07,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:00:07,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:00:07,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:00:07,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:00:07,635 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:07,635 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:07,635 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:07,635 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 00:00:07,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:00:07,635 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:00:07,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:00:07,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:00:07 BoogieIcfgContainer [2021-10-13 00:00:07,641 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:00:07,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:00:07,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:00:07,642 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:00:07,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:59" (3/4) ... [2021-10-13 00:00:07,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:00:07,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:00:07,647 INFO L168 Benchmark]: Toolchain (without parser) took 9424.63 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 77.0 MB in the beginning and 89.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:07,647 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 115.3 MB. Free memory was 94.3 MB in the beginning and 94.2 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:07,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.05 ms. Allocated memory is still 115.3 MB. Free memory was 76.8 MB in the beginning and 84.4 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:07,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 115.3 MB. Free memory was 84.4 MB in the beginning and 82.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:07,648 INFO L168 Benchmark]: Boogie Preprocessor took 44.50 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 81.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:07,649 INFO L168 Benchmark]: RCFGBuilder took 395.53 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 71.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:07,649 INFO L168 Benchmark]: BuchiAutomizer took 8452.24 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 71.6 MB in the beginning and 89.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:07,650 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 138.4 MB. Free memory is still 89.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:07,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 115.3 MB. Free memory was 94.3 MB in the beginning and 94.2 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.05 ms. Allocated memory is still 115.3 MB. Free memory was 76.8 MB in the beginning and 84.4 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 115.3 MB. Free memory was 84.4 MB in the beginning and 82.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.50 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 81.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 395.53 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 71.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8452.24 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 71.6 MB in the beginning and 89.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.00 ms. Allocated memory is still 138.4 MB. Free memory is still 89.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * i + 1 and consists of 3 locations. One deterministic module has affine ranking function 2 * i + 1 + -2 * j and consists of 4 locations. One nondeterministic module has affine ranking function 2 * i + 1 + -2 * j and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 31.5ms AutomataMinimizationTime, 6 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 26 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 83 SDslu, 93 SDs, 0 SdLazy, 201 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 192.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital110 mio100 ax160 hnf99 lsp67 ukn79 mio100 lsp79 div100 bol100 ite100 ukn100 eq168 hnf91 smp91 dnf100 smp100 tf104 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:00:07,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:07,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:08,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0c5a52-c7ed-4371-83b6-bda951e872c8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...