./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/add_last-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/add_last-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 870a7e5617be5a547f8d530603b5c27ad6cbb74bb05a83654285fee7bbb92753 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:12:22,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:12:22,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:12:22,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:12:22,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:12:22,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:12:22,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:12:22,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:12:22,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:12:22,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:12:22,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:12:22,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:12:22,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:12:22,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:12:22,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:12:22,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:12:22,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:12:22,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:12:22,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:12:22,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:12:22,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:12:22,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:12:22,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:12:22,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:12:22,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:12:22,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:12:22,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:12:22,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:12:22,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:12:22,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:12:22,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:12:22,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:12:22,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:12:22,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:12:22,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:12:22,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:12:22,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:12:22,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:12:22,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:12:22,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:12:22,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:12:22,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:12:22,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:12:22,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:12:22,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:12:22,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:12:22,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:12:22,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:12:22,848 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:12:22,849 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:12:22,849 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:12:22,849 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:12:22,850 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:12:22,850 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:12:22,850 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:12:22,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:12:22,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:12:22,851 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:12:22,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:12:22,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:12:22,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:12:22,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:12:22,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:12:22,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:12:22,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:12:22,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:12:22,853 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:12:22,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:12:22,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:12:22,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:12:22,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:12:22,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:12:22,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:12:22,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:12:22,857 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:12:22,857 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_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 870a7e5617be5a547f8d530603b5c27ad6cbb74bb05a83654285fee7bbb92753 [2021-10-28 23:12:23,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:12:23,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:12:23,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:12:23,159 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:12:23,160 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:12:23,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/array-memsafety/add_last-alloca-1.i [2021-10-28 23:12:23,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/data/67c548fb5/8d593abf0eae4628be31348e29540812/FLAG606668391 [2021-10-28 23:12:23,946 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:12:23,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/sv-benchmarks/c/array-memsafety/add_last-alloca-1.i [2021-10-28 23:12:23,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/data/67c548fb5/8d593abf0eae4628be31348e29540812/FLAG606668391 [2021-10-28 23:12:24,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/data/67c548fb5/8d593abf0eae4628be31348e29540812 [2021-10-28 23:12:24,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:12:24,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:12:24,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:24,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:12:24,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:12:24,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:24,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e65e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24, skipping insertion in model container [2021-10-28 23:12:24,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:24,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:12:24,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:12:24,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:24,816 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:12:24,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:24,926 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:12:24,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24 WrapperNode [2021-10-28 23:12:24,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:24,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:24,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:12:24,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:12:24,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:24,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:24,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:24,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:12:24,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:12:25,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:12:25,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:25,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:25,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:25,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:25,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:25,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:25,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:25,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:12:25,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:12:25,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:12:25,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:12:25,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (1/1) ... [2021-10-28 23:12:25,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:25,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:25,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:25,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:12:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:12:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:12:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:12:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:12:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:12:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:12:25,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:12:25,600 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:12:25,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:25 BoogieIcfgContainer [2021-10-28 23:12:25,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:12:25,604 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:12:25,604 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:12:25,623 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:12:25,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:12:25,625 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:12:24" (1/3) ... [2021-10-28 23:12:25,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14f4b223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:12:25, skipping insertion in model container [2021-10-28 23:12:25,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:12:25,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:24" (2/3) ... [2021-10-28 23:12:25,627 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14f4b223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:12:25, skipping insertion in model container [2021-10-28 23:12:25,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:12:25,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:25" (3/3) ... [2021-10-28 23:12:25,629 INFO L389 chiAutomizerObserver]: Analyzing ICFG add_last-alloca-1.i [2021-10-28 23:12:25,681 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:12:25,682 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:12:25,682 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:12:25,682 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:12:25,682 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:12:25,682 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:12:25,683 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:12:25,683 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:12:25,700 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) [2021-10-28 23:12:25,723 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:12:25,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:12:25,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:12:25,731 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:12:25,731 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:12:25,732 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:12:25,732 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) [2021-10-28 23:12:25,734 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:12:25,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:12:25,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:12:25,735 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:12:25,735 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:12:25,744 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet5, main_#t~post4, main_~k~0, main_#t~mem8, main_#t~mem9, main_#t~post10.base, main_#t~post10.offset, main_#t~mem6, main_#t~mem7, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 11#L515true assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 8#L515-2true call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 14#L517true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset;main_~k~0 := 0; 6#L520-3true [2021-10-28 23:12:25,744 INFO L793 eck$LassoCheckResult]: Loop: 6#L520-3true assume !!(main_~k~0 < main_~length~0);call write~int(main_#t~nondet5, main_~arr~0.base, main_~arr~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet5; 12#L520-2true main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 6#L520-3true [2021-10-28 23:12:25,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-10-28 23:12:25,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:25,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939179966] [2021-10-28 23:12:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:25,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:25,890 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:25,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:25,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:25,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2021-10-28 23:12:25,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:25,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327677186] [2021-10-28 23:12:25,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:25,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:25,986 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:25,997 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:25,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:25,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2021-10-28 23:12:26,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:26,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300341699] [2021-10-28 23:12:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:26,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:26,025 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:26,052 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:26,552 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:12:26,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:12:26,553 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:12:26,553 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:12:26,554 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:12:26,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:26,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:12:26,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:12:26,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_last-alloca-1.i_Iteration1_Lasso [2021-10-28 23:12:26,555 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:12:26,555 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:12:26,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:26,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:27,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:12:27,159 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:12:27,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,176 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 [2021-10-28 23:12:27,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:27,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:27,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:27,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:12:27,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:27,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:12:27,268 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 [2021-10-28 23:12:27,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:27,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:27,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:27,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:27,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,341 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 [2021-10-28 23:12:27,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:27,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:27,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:27,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:12:27,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 23:12:27,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,409 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,412 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 [2021-10-28 23:12:27,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:27,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:27,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:27,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:12:27,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:27,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:12:27,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:12:27,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:27,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:27,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:27,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,556 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:12:27,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:27,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:27,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:12:27,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:27,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,659 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,666 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 [2021-10-28 23:12:27,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:12:27,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:27,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:27,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:27,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 23:12:27,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,709 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:12:27,711 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 [2021-10-28 23:12:27,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:27,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:27,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:27,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,792 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:12:27,794 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 [2021-10-28 23:12:27,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:27,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:27,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:27,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:27,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,847 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:12:27,849 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 [2021-10-28 23:12:27,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:27,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:27,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:27,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-28 23:12:27,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:12:27,894 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 [2021-10-28 23:12:27,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:27,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:27,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:27,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:27,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:27,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:27,961 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:27,966 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 [2021-10-28 23:12:27,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:12:27,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:27,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:27,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:27,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:27,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:27,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:28,024 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:12:28,108 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-28 23:12:28,108 INFO L444 ModelExtractionUtils]: 3 out of 25 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-10-28 23:12:28,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:28,124 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:28,181 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:12:28,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:12:28,205 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:12:28,205 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:12:28,206 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~k~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2021-10-28 23:12:28,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:28,300 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 23:12:28,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:28,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:12:28,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:28,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:12:28,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:28,481 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 [2021-10-28 23:12:28,483 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. 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 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) [2021-10-28 23:12:28,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:28,564 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. 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 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 31 states and 41 transitions. Complement of second has 7 states. [2021-10-28 23:12:28,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:12:28,566 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) [2021-10-28 23:12:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-10-28 23:12:28,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 23:12:28,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:12:28,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 23:12:28,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:12:28,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 23:12:28,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:12:28,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2021-10-28 23:12:28,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:12:28,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2021-10-28 23:12:28,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 23:12:28,585 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 23:12:28,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-10-28 23:12:28,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:12:28,586 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-28 23:12:28,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-10-28 23:12:28,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-28 23:12:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-28 23:12:28,615 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 23:12:28,615 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 23:12:28,615 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:12:28,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-10-28 23:12:28,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:12:28,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:12:28,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:12:28,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:12:28,617 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:12:28,617 INFO L791 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 107#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet5, main_#t~post4, main_~k~0, main_#t~mem8, main_#t~mem9, main_#t~post10.base, main_#t~post10.offset, main_#t~mem6, main_#t~mem7, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 113#L515 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 111#L515-2 call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 112#L517 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset;main_~k~0 := 0; 108#L520-3 assume !(main_~k~0 < main_~length~0); 105#L525-2 [2021-10-28 23:12:28,617 INFO L793 eck$LassoCheckResult]: Loop: 105#L525-2 call main_#t~mem6 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem7 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4); 104#L525 assume !!(main_#t~mem6 != main_#t~mem7);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4);call write~int(main_#t~mem8 + main_#t~mem9, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem8;havoc main_#t~mem9;main_#t~post10.base, main_#t~post10.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post10.base, 4 + main_#t~post10.offset;havoc main_#t~post10.base, main_#t~post10.offset; 105#L525-2 [2021-10-28 23:12:28,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:28,618 INFO L85 PathProgramCache]: Analyzing trace with hash 889568363, now seen corresponding path program 1 times [2021-10-28 23:12:28,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:28,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920451586] [2021-10-28 23:12:28,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:28,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:28,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:28,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920451586] [2021-10-28 23:12:28,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920451586] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:28,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:28,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:12:28,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269659633] [2021-10-28 23:12:28,698 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:12:28,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:28,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1958, now seen corresponding path program 1 times [2021-10-28 23:12:28,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:28,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761142606] [2021-10-28 23:12:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:28,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:28,722 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:28,735 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:28,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:28,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:12:28,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:12:28,894 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:28,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:28,932 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-10-28 23:12:28,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:12:28,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-10-28 23:12:28,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:12:28,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-10-28 23:12:28,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 23:12:28,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-28 23:12:28,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-10-28 23:12:28,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:12:28,934 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-28 23:12:28,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-10-28 23:12:28,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-28 23:12:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 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) [2021-10-28 23:12:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-10-28 23:12:28,935 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-28 23:12:28,935 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-28 23:12:28,935 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:12:28,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-10-28 23:12:28,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:12:28,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:12:28,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:12:28,937 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:28,937 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:12:28,937 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 135#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet5, main_#t~post4, main_~k~0, main_#t~mem8, main_#t~mem9, main_#t~post10.base, main_#t~post10.offset, main_#t~mem6, main_#t~mem7, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 141#L515 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 139#L515-2 call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 140#L517 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset;main_~k~0 := 0; 136#L520-3 assume !!(main_~k~0 < main_~length~0);call write~int(main_#t~nondet5, main_~arr~0.base, main_~arr~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet5; 137#L520-2 main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 138#L520-3 assume !(main_~k~0 < main_~length~0); 133#L525-2 [2021-10-28 23:12:28,937 INFO L793 eck$LassoCheckResult]: Loop: 133#L525-2 call main_#t~mem6 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem7 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4); 132#L525 assume !!(main_#t~mem6 != main_#t~mem7);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4);call write~int(main_#t~mem8 + main_#t~mem9, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem8;havoc main_#t~mem9;main_#t~post10.base, main_#t~post10.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post10.base, 4 + main_#t~post10.offset;havoc main_#t~post10.base, main_#t~post10.offset; 133#L525-2 [2021-10-28 23:12:28,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:28,938 INFO L85 PathProgramCache]: Analyzing trace with hash 176707625, now seen corresponding path program 1 times [2021-10-28 23:12:28,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:28,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948626426] [2021-10-28 23:12:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:28,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:28,956 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:28,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:28,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:28,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1958, now seen corresponding path program 2 times [2021-10-28 23:12:28,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:28,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960823524] [2021-10-28 23:12:28,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:28,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:28,987 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:28,997 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:28,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:28,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1982663218, now seen corresponding path program 1 times [2021-10-28 23:12:28,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:28,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104182701] [2021-10-28 23:12:28,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:28,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:29,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:29,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104182701] [2021-10-28 23:12:29,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104182701] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:29,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650147661] [2021-10-28 23:12:29,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:29,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:29,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:29,584 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:12:29,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-28 23:12:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:29,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-28 23:12:29,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:29,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-28 23:12:29,948 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-10-28 23:12:29,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 18 [2021-10-28 23:12:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:29,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650147661] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:29,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:12:29,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-10-28 23:12:29,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029215165] [2021-10-28 23:12:30,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:12:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:12:30,074 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 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) [2021-10-28 23:12:30,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:30,222 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-10-28 23:12:30,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:12:30,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-10-28 23:12:30,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:12:30,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 15 transitions. [2021-10-28 23:12:30,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 23:12:30,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-28 23:12:30,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2021-10-28 23:12:30,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:12:30,225 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-10-28 23:12:30,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2021-10-28 23:12:30,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-10-28 23:12:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 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) [2021-10-28 23:12:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-10-28 23:12:30,228 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-10-28 23:12:30,228 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-10-28 23:12:30,228 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:12:30,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2021-10-28 23:12:30,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:12:30,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:12:30,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:12:30,230 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:30,230 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:12:30,230 INFO L791 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 209#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet5, main_#t~post4, main_~k~0, main_#t~mem8, main_#t~mem9, main_#t~post10.base, main_#t~post10.offset, main_#t~mem6, main_#t~mem7, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 216#L515 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 214#L515-2 call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 215#L517 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset;main_~k~0 := 0; 210#L520-3 assume !!(main_~k~0 < main_~length~0);call write~int(main_#t~nondet5, main_~arr~0.base, main_~arr~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet5; 211#L520-2 main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 212#L520-3 assume !!(main_~k~0 < main_~length~0);call write~int(main_#t~nondet5, main_~arr~0.base, main_~arr~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet5; 213#L520-2 main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 217#L520-3 assume !(main_~k~0 < main_~length~0); 207#L525-2 [2021-10-28 23:12:30,230 INFO L793 eck$LassoCheckResult]: Loop: 207#L525-2 call main_#t~mem6 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem7 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4); 206#L525 assume !!(main_#t~mem6 != main_#t~mem7);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4);call write~int(main_#t~mem8 + main_#t~mem9, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem8;havoc main_#t~mem9;main_#t~post10.base, main_#t~post10.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post10.base, 4 + main_#t~post10.offset;havoc main_#t~post10.base, main_#t~post10.offset; 207#L525-2 [2021-10-28 23:12:30,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:30,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1982661529, now seen corresponding path program 2 times [2021-10-28 23:12:30,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:30,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958527818] [2021-10-28 23:12:30,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:30,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:30,247 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:30,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:30,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:30,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1958, now seen corresponding path program 3 times [2021-10-28 23:12:30,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:30,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056296050] [2021-10-28 23:12:30,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:30,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:30,273 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:30,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:30,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:30,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1627751052, now seen corresponding path program 2 times [2021-10-28 23:12:30,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:30,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031750247] [2021-10-28 23:12:30,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:30,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:30,313 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:30,361 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:30,816 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:12:30,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:12:30,817 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:12:30,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:12:30,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:12:30,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:30,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:12:30,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:12:30,818 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_last-alloca-1.i_Iteration4_Lasso [2021-10-28 23:12:30,818 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:12:30,818 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:12:30,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:30,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:31,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:31,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:31,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:31,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:31,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:31,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:31,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:12:31,506 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:12:31,506 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:12:31,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:31,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:31,512 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:31,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:12:31,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:12:31,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:31,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:31,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:31,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:31,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:31,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:31,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:31,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:31,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:31,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:31,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:31,607 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:31,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:12:31,614 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 [2021-10-28 23:12:31,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:31,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:31,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:31,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:31,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:31,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:31,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:31,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:31,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:31,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:31,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:31,681 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:31,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:12:31,688 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 [2021-10-28 23:12:31,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:31,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:31,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:31,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:31,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:31,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:31,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:31,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:31,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:31,754 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:31,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:12:31,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:12:31,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:31,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:31,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:31,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:31,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:31,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:31,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:31,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:31,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:31,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:31,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:31,807 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:31,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:12:31,813 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 [2021-10-28 23:12:31,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:31,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:31,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:31,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:31,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:31,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:31,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:31,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:31,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:31,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:31,884 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:31,892 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 [2021-10-28 23:12:31,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:31,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:31,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:31,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:31,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:31,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:31,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:31,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:12:31,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:31,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:31,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:31,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:31,962 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:31,969 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 [2021-10-28 23:12:31,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:31,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:31,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:31,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:31,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:31,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:31,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:31,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:12:31,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:32,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:32,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:32,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:32,042 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:32,048 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 [2021-10-28 23:12:32,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:32,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:32,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:32,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:32,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:32,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:32,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:12:32,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:32,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:32,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:32,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:32,120 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:32,123 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 [2021-10-28 23:12:32,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:32,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:32,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:32,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:32,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:32,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:32,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:32,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:12:32,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:32,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:32,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:32,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:32,184 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:32,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:12:32,186 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 [2021-10-28 23:12:32,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:32,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:12:32,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:32,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:32,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:32,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:12:32,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:12:32,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:32,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 23:12:32,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:32,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:32,222 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:32,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:12:32,224 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 [2021-10-28 23:12:32,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:32,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:32,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:32,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:32,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:32,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:32,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:12:32,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 23:12:32,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:32,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:32,277 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:32,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:12:32,279 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 [2021-10-28 23:12:32,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:12:32,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:12:32,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:12:32,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:12:32,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:12:32,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:12:32,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:12:32,388 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 23:12:32,388 INFO L444 ModelExtractionUtils]: 4 out of 28 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-28 23:12:32,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:12:32,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:32,390 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:32,394 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:12:32,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:12:32,406 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:12:32,406 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:12:32,406 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset, v_rep(select #length ULTIMATE.start_main_~arr~0.base)_2) = -1*ULTIMATE.start_main_~a~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~arr~0.base)_2 Supporting invariants [] [2021-10-28 23:12:32,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:32,462 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 23:12:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:32,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:12:32,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:32,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:32,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:12:32,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:32,698 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 23:12:32,698 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:32,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 6 states. [2021-10-28 23:12:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:12:32,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-28 23:12:32,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-28 23:12:32,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:12:32,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-28 23:12:32,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:12:32,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-28 23:12:32,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:12:32,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-10-28 23:12:32,737 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:12:32,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-10-28 23:12:32,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:12:32,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:12:32,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:12:32,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:12:32,738 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:12:32,738 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:12:32,739 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:12:32,739 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:12:32,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:12:32,739 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:12:32,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:12:32,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:12:32 BoogieIcfgContainer [2021-10-28 23:12:32,747 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:12:32,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:12:32,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:12:32,748 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:12:32,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:25" (3/4) ... [2021-10-28 23:12:32,752 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:12:32,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:12:32,754 INFO L168 Benchmark]: Toolchain (without parser) took 8565.02 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 62.1 MB in the beginning and 108.1 MB in the end (delta: -46.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:32,755 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 96.5 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:32,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.40 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 61.8 MB in the beginning and 85.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:32,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.09 ms. Allocated memory is still 117.4 MB. Free memory was 84.7 MB in the beginning and 83.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:32,757 INFO L168 Benchmark]: Boogie Preprocessor took 66.04 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 82.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:32,758 INFO L168 Benchmark]: RCFGBuilder took 536.62 ms. Allocated memory is still 117.4 MB. Free memory was 82.0 MB in the beginning and 72.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:32,759 INFO L168 Benchmark]: BuchiAutomizer took 7143.00 ms. Allocated memory was 117.4 MB in the beginning and 148.9 MB in the end (delta: 31.5 MB). Free memory was 72.1 MB in the beginning and 109.1 MB in the end (delta: -37.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:32,760 INFO L168 Benchmark]: Witness Printer took 5.32 ms. Allocated memory is still 148.9 MB. Free memory was 109.1 MB in the beginning and 108.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:32,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 96.5 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 739.40 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 61.8 MB in the beginning and 85.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.09 ms. Allocated memory is still 117.4 MB. Free memory was 84.7 MB in the beginning and 83.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.04 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 82.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 536.62 ms. Allocated memory is still 117.4 MB. Free memory was 82.0 MB in the beginning and 72.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7143.00 ms. Allocated memory was 117.4 MB in the beginning and 148.9 MB in the end (delta: 31.5 MB). Free memory was 72.1 MB in the beginning and 109.1 MB in the end (delta: -37.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.32 ms. Allocated memory is still 148.9 MB. Free memory was 109.1 MB in the beginning and 108.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length + -1 * k and consists of 5 locations. One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[arr] and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 6.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 61 SDslu, 19 SDs, 0 SdLazy, 105 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax113 hnf99 lsp84 ukn77 mio100 lsp61 div100 bol100 ite100 ukn100 eq168 hnf91 smp100 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:12:32,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:33,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252cc557-7caa-4900-8c7f-648ec79089bf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...