./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU --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 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:35:54,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:35:54,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:35:54,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:35:54,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:35:54,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:35:54,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:35:54,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:35:54,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:35:54,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:35:54,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:35:54,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:35:54,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:35:54,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:35:54,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:35:54,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:35:54,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:35:54,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:35:54,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:35:54,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:35:54,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:35:54,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:35:54,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:35:54,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:35:54,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:35:54,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:35:54,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:35:54,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:35:54,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:35:54,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:35:54,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:35:54,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:35:54,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:35:54,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:35:54,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:35:54,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:35:54,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:35:54,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:35:54,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:35:54,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:35:54,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:35:54,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:35:54,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:35:54,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:35:54,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:35:54,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:35:54,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:35:54,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:35:54,769 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:35:54,770 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:35:54,770 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:35:54,770 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:35:54,771 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:35:54,772 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:35:54,772 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:35:54,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:35:54,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:35:54,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:35:54,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:35:54,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:35:54,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:35:54,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:35:54,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:35:54,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:35:54,774 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:35:54,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:35:54,774 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:35:54,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:35:54,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:35:54,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:35:54,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:35:54,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:35:54,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:35:54,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:35:54,779 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:35:54,779 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_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2021-11-02 22:35:55,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:35:55,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:35:55,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:35:55,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:35:55,184 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:35:55,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/loop-invgen/large_const.i [2021-11-02 22:35:55,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/data/838764e49/a1e9c63b59ff47beaa5f0f2e1bd8a122/FLAG78a0844a9 [2021-11-02 22:35:55,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:35:55,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/sv-benchmarks/c/loop-invgen/large_const.i [2021-11-02 22:35:55,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/data/838764e49/a1e9c63b59ff47beaa5f0f2e1bd8a122/FLAG78a0844a9 [2021-11-02 22:35:56,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/data/838764e49/a1e9c63b59ff47beaa5f0f2e1bd8a122 [2021-11-02 22:35:56,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:35:56,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:35:56,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:35:56,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:35:56,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:35:56,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ba0ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56, skipping insertion in model container [2021-11-02 22:35:56,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:35:56,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:35:56,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2021-11-02 22:35:56,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:35:56,382 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:35:56,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2021-11-02 22:35:56,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:35:56,412 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:35:56,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56 WrapperNode [2021-11-02 22:35:56,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:35:56,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:35:56,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:35:56,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:35:56,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:35:56,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:35:56,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:35:56,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:35:56,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:35:56,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:35:56,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:35:56,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:35:56,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (1/1) ... [2021-11-02 22:35:56,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:56,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:56,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:35:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:35:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:35:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:35:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:35:56,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:35:56,853 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-02 22:35:56,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:35:56 BoogieIcfgContainer [2021-11-02 22:35:56,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:35:56,856 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:35:56,856 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:35:56,875 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:35:56,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:35:56,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:35:56" (1/3) ... [2021-11-02 22:35:56,878 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b497c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:35:56, skipping insertion in model container [2021-11-02 22:35:56,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:35:56,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:35:56" (2/3) ... [2021-11-02 22:35:56,879 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b497c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:35:56, skipping insertion in model container [2021-11-02 22:35:56,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:35:56,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:35:56" (3/3) ... [2021-11-02 22:35:56,881 INFO L389 chiAutomizerObserver]: Analyzing ICFG large_const.i [2021-11-02 22:35:56,955 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:35:56,968 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:35:56,968 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:35:56,968 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:35:56,969 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:35:56,969 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:35:56,969 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:35:56,969 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:35:56,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:35:57,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:35:57,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:35:57,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:35:57,011 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-02 22:35:57,011 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:35:57,012 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:35:57,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:35:57,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:35:57,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:35:57,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:35:57,016 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-02 22:35:57,016 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:35:57,023 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 8#L-1true main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_#t~nondet5, main_#t~post6, main_#t~post7, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 7#L31true assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 12#L40-2true [2021-11-02 22:35:57,024 INFO L793 eck$LassoCheckResult]: Loop: 12#L40-2true assume !!(main_~i~0 < main_~n~0);main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4;main_~v~0 := main_#t~nondet5;havoc main_#t~nondet5; 10#L37true assume !!(0 <= main_~v~0 && main_~n~0 < 2); 15#L38true assume 0 == main_~v~0;main_~k~0 := main_~k~0 + main_~c1~0; 12#L40-2true [2021-11-02 22:35:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:35:57,031 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-02 22:35:57,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:35:57,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075170795] [2021-11-02 22:35:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:35:57,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:35:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:57,158 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:35:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:57,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:35:57,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:35:57,237 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 1 times [2021-11-02 22:35:57,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:35:57,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590207437] [2021-11-02 22:35:57,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:35:57,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:35:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:57,257 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:35:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:57,268 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:35:57,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:35:57,281 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 1 times [2021-11-02 22:35:57,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:35:57,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298357132] [2021-11-02 22:35:57,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:35:57,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:35:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:57,301 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:35:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:57,326 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:35:57,474 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:35:57,475 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:35:57,475 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:35:57,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:35:57,475 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:35:57,476 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:57,476 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:35:57,476 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:35:57,476 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2021-11-02 22:35:57,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:35:57,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:35:57,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:57,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:57,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:57,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:57,600 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:35:57,601 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:35:57,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:57,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:57,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:57,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:35:57,629 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:57,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:35:57,669 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:35:57,670 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:35:57,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:57,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:57,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:57,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:35:57,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:57,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:35:57,737 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:35:57,737 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Honda state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:35:57,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-02 22:35:57,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:57,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:57,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:57,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:35:57,777 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:57,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:35:57,800 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:35:57,801 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:35:57,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:57,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:57,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:57,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:57,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:35:57,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:35:57,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:57,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:57,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:57,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:57,897 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:57,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:35:57,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:35:57,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:58,040 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:35:58,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:58,046 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:35:58,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:35:58,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:35:58,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:35:58,046 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:35:58,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:58,046 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:35:58,047 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:35:58,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2021-11-02 22:35:58,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:35:58,047 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:35:58,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,119 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:35:58,145 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:35:58,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:58,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:58,148 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:58,164 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 [2021-11-02 22:35:58,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:35:58,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:35:58,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:35:58,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:35:58,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:35:58,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:35:58,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:35:58,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:35:58,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:35:58,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:58,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:58,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:58,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:58,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:35:58,215 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 [2021-11-02 22:35:58,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:35:58,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:35:58,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:35:58,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:35:58,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:35:58,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:35:58,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:35:58,245 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:35:58,253 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-02 22:35:58,253 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-02 22:35:58,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:58,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:58,258 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:58,285 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:35:58,285 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-02 22:35:58,285 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:35:58,286 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2021-11-02 22:35:58,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:35:58,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:58,330 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-02 22:35:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:35:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:35:58,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:35:58,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:35:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:35:58,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 22:35:58,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:35:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:35:58,553 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-02 22:35:58,554 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:35:58,607 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 66 transitions. Complement of second has 7 states. [2021-11-02 22:35:58,607 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 [2021-11-02 22:35:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:35:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2021-11-02 22:35:58,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-02 22:35:58,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:35:58,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-02 22:35:58,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:35:58,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-02 22:35:58,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:35:58,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 66 transitions. [2021-11-02 22:35:58,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-02 22:35:58,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 16 states and 22 transitions. [2021-11-02 22:35:58,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-02 22:35:58,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-02 22:35:58,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-11-02 22:35:58,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:35:58,624 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-11-02 22:35:58,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-11-02 22:35:58,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2021-11-02 22:35:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:35:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-11-02 22:35:58,650 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-02 22:35:58,650 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-02 22:35:58,650 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:35:58,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-11-02 22:35:58,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-02 22:35:58,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:35:58,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:35:58,652 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 22:35:58,652 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:35:58,652 INFO L791 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 115#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_#t~nondet5, main_#t~post6, main_#t~post7, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 124#L31 assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 125#L40-2 assume !(main_~i~0 < main_~n~0); 118#L34-2 main_~j~0 := 0; 116#L46-2 [2021-11-02 22:35:58,653 INFO L793 eck$LassoCheckResult]: Loop: 116#L46-2 assume !!(main_~j~0 < main_~n~0);__VERIFIER_assert_#in~cond := (if main_~k~0 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 112#L18 assume !(0 == __VERIFIER_assert_~cond); 113#L18-2 main_#t~post6 := main_~j~0;main_~j~0 := 1 + main_#t~post6;havoc main_#t~post6;main_#t~post7 := main_~k~0;main_~k~0 := main_#t~post7 - 1;havoc main_#t~post7; 116#L46-2 [2021-11-02 22:35:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:35:58,653 INFO L85 PathProgramCache]: Analyzing trace with hash 28695930, now seen corresponding path program 1 times [2021-11-02 22:35:58,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:35:58,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282619356] [2021-11-02 22:35:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:35:58,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:35:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:58,667 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:35:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:58,694 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:35:58,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:35:58,695 INFO L85 PathProgramCache]: Analyzing trace with hash 74703, now seen corresponding path program 1 times [2021-11-02 22:35:58,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:35:58,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097703744] [2021-11-02 22:35:58,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:35:58,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:35:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:58,703 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:35:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:35:58,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:35:58,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:35:58,715 INFO L85 PathProgramCache]: Analyzing trace with hash 182003638, now seen corresponding path program 1 times [2021-11-02 22:35:58,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:35:58,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108559339] [2021-11-02 22:35:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:35:58,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:35:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:35:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:35:58,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:35:58,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108559339] [2021-11-02 22:35:58,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108559339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:35:58,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:35:58,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:35:58,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658471684] [2021-11-02 22:35:58,863 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:35:58,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:35:58,863 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:35:58,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:35:58,864 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:35:58,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:58,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:35:58,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:35:58,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2021-11-02 22:35:58,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:35:58,865 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:35:58,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:58,970 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:35:58,970 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:35:58,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:58,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:58,972 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:58,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:35:58,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:35:58,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:58,986 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:35:58,986 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:35:59,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:59,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:59,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:59,016 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:59,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:35:59,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:59,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 22:35:59,085 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:35:59,085 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:35:59,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:59,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:59,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:59,111 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:59,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 22:35:59,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:35:59,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:59,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:59,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:59,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:59,158 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:59,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 22:35:59,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:35:59,163 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:35:59,196 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:35:59,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:59,198 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:35:59,198 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:35:59,198 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:35:59,198 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:35:59,198 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:35:59,199 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:59,199 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:35:59,199 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:35:59,199 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2021-11-02 22:35:59,199 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:35:59,199 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:35:59,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:59,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:59,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:59,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:59,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:35:59,289 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:35:59,289 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:35:59,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:59,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:59,293 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:59,298 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 [2021-11-02 22:35:59,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:35:59,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:35:59,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:35:59,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:35:59,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:35:59,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:35:59,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:35:59,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 22:35:59,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:35:59,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:59,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:59,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:59,357 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:59,363 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 [2021-11-02 22:35:59,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:35:59,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:35:59,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:35:59,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:35:59,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:35:59,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 22:35:59,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:35:59,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:35:59,380 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:35:59,383 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-02 22:35:59,383 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-02 22:35:59,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:35:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:35:59,386 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:35:59,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 22:35:59,389 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:35:59,389 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-02 22:35:59,389 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:35:59,389 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0) = 1*ULTIMATE.start_main_~k~0 Supporting invariants [] [2021-11-02 22:35:59,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:59,410 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-02 22:35:59,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:35:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:35:59,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:35:59,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:35:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:35:59,542 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:35:59,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:35:59,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:59,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 22:35:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:35:59,663 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-02 22:35:59,664 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:35:59,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 24 transitions. Complement of second has 6 states. [2021-11-02 22:35:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-02 22:35:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:35:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-11-02 22:35:59,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 3 letters. [2021-11-02 22:35:59,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:35:59,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2021-11-02 22:35:59,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:35:59,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 6 letters. [2021-11-02 22:35:59,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:35:59,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2021-11-02 22:35:59,701 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:35:59,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2021-11-02 22:35:59,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:35:59,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:35:59,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:35:59,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:35:59,701 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:35:59,701 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:35:59,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:35:59,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:35:59,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:35:59,706 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:35:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:35:59,708 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-02 22:35:59,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:35:59,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-02 22:35:59,708 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:35:59,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 22:35:59,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:35:59,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:35:59,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:35:59,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:35:59,709 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:35:59,709 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:35:59,709 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:35:59,709 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:35:59,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:35:59,709 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:35:59,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:35:59,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:35:59 BoogieIcfgContainer [2021-11-02 22:35:59,714 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:35:59,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:35:59,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:35:59,714 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:35:59,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:35:56" (3/4) ... [2021-11-02 22:35:59,717 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:35:59,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:35:59,719 INFO L168 Benchmark]: Toolchain (without parser) took 3579.01 ms. Allocated memory is still 107.0 MB. Free memory was 72.9 MB in the beginning and 72.2 MB in the end (delta: 662.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:35:59,719 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 53.2 MB in the beginning and 53.1 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:35:59,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.16 ms. Allocated memory is still 107.0 MB. Free memory was 72.6 MB in the beginning and 82.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:35:59,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.86 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:35:59,721 INFO L168 Benchmark]: Boogie Preprocessor took 22.57 ms. Allocated memory is still 107.0 MB. Free memory was 81.5 MB in the beginning and 80.6 MB in the end (delta: 926.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:35:59,721 INFO L168 Benchmark]: RCFGBuilder took 385.01 ms. Allocated memory is still 107.0 MB. Free memory was 80.6 MB in the beginning and 70.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:35:59,722 INFO L168 Benchmark]: BuchiAutomizer took 2857.42 ms. Allocated memory is still 107.0 MB. Free memory was 70.7 MB in the beginning and 72.2 MB in the end (delta: -1.5 MB). Peak memory consumption was 548.3 kB. Max. memory is 16.1 GB. [2021-11-02 22:35:59,722 INFO L168 Benchmark]: Witness Printer took 3.48 ms. Allocated memory is still 107.0 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:35:59,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 53.2 MB in the beginning and 53.1 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 272.16 ms. Allocated memory is still 107.0 MB. Free memory was 72.6 MB in the beginning and 82.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.86 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.57 ms. Allocated memory is still 107.0 MB. Free memory was 81.5 MB in the beginning and 80.6 MB in the end (delta: 926.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 385.01 ms. Allocated memory is still 107.0 MB. Free memory was 80.6 MB in the beginning and 70.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2857.42 ms. Allocated memory is still 107.0 MB. Free memory was 70.7 MB in the beginning and 72.2 MB in the end (delta: -1.5 MB). Peak memory consumption was 548.3 kB. Max. memory is 16.1 GB. * Witness Printer took 3.48 ms. Allocated memory is still 107.0 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function k and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 30 SDtfs, 35 SDslu, 24 SDs, 0 SdLazy, 16 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 22:35:59,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b019141-0e44-4ef6-b9f0-fef6d71220b8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE