./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8 --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 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:02:55,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:02:55,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:02:55,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:02:55,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:02:55,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:02:55,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:02:55,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:02:55,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:02:55,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:02:55,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:02:55,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:02:55,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:02:55,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:02:55,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:02:55,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:02:55,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:02:55,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:02:55,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:02:55,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:02:55,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:02:55,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:02:55,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:02:55,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:02:55,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:02:55,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:02:55,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:02:55,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:02:55,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:02:55,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:02:55,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:02:55,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:02:55,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:02:55,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:02:55,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:02:55,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:02:55,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:02:55,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:02:55,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:02:55,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:02:55,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:02:55,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 17:02:55,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:02:55,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:02:55,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:02:55,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:02:55,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:02:55,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:02:55,569 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:02:55,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 17:02:55,569 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 17:02:55,570 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 17:02:55,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 17:02:55,570 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 17:02:55,570 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 17:02:55,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:02:55,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:02:55,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:02:55,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:02:55,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:02:55,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:02:55,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 17:02:55,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 17:02:55,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 17:02:55,572 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:02:55,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:02:55,572 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 17:02:55,572 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:02:55,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 17:02:55,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:02:55,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:02:55,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:02:55,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:02:55,574 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 17:02:55,574 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_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 [2022-12-13 17:02:55,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:02:55,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:02:55,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:02:55,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:02:55,759 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:02:55,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/recursive/Addition02.c [2022-12-13 17:02:58,426 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:02:58,560 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:02:58,560 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/sv-benchmarks/c/recursive/Addition02.c [2022-12-13 17:02:58,564 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/data/4a8b629f9/7ac8a607cb2c454ea40b5ccf49a0f482/FLAG752e91e4c [2022-12-13 17:02:58,576 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/data/4a8b629f9/7ac8a607cb2c454ea40b5ccf49a0f482 [2022-12-13 17:02:58,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:02:58,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:02:58,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:02:58,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:02:58,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:02:58,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf6d36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58, skipping insertion in model container [2022-12-13 17:02:58,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:02:58,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:02:58,732 WARN L237 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_52a0498e-786e-4f71-8006-5f5f123864bd/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2022-12-13 17:02:58,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:02:58,743 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:02:58,757 WARN L237 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_52a0498e-786e-4f71-8006-5f5f123864bd/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2022-12-13 17:02:58,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:02:58,769 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:02:58,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58 WrapperNode [2022-12-13 17:02:58,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:02:58,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:02:58,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:02:58,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:02:58,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,797 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-12-13 17:02:58,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:02:58,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:02:58,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:02:58,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:02:58,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:02:58,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:02:58,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:02:58,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:02:58,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (1/1) ... [2022-12-13 17:02:58,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:58,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:58,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:58,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 17:02:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:02:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:02:58,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:02:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:02:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2022-12-13 17:02:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2022-12-13 17:02:58,931 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:02:58,933 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:02:59,025 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:02:59,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:02:59,031 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:02:59,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:02:59 BoogieIcfgContainer [2022-12-13 17:02:59,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:02:59,035 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 17:02:59,035 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 17:02:59,038 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 17:02:59,039 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:02:59,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 05:02:58" (1/3) ... [2022-12-13 17:02:59,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21dafb8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:02:59, skipping insertion in model container [2022-12-13 17:02:59,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:02:59,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:58" (2/3) ... [2022-12-13 17:02:59,041 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21dafb8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:02:59, skipping insertion in model container [2022-12-13 17:02:59,041 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:02:59,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:02:59" (3/3) ... [2022-12-13 17:02:59,042 INFO L332 chiAutomizerObserver]: Analyzing ICFG Addition02.c [2022-12-13 17:02:59,093 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 17:02:59,094 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 17:02:59,094 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 17:02:59,094 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 17:02:59,094 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 17:02:59,094 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 17:02:59,094 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 17:02:59,094 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 17:02:59,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 17:02:59,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 17:02:59,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:02:59,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:02:59,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 17:02:59,126 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 17:02:59,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 17:02:59,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 17:02:59,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 17:02:59,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:02:59,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:02:59,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 17:02:59,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 17:02:59,137 INFO L748 eck$LassoCheckResult]: Stem: 19#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 4#L30true assume !(main_~m~0#1 < 0 || main_~m~0#1 > 1073741823);main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 10#L36true assume !(main_~n~0#1 < 0 || main_~n~0#1 > 1073741823); 17#L41true call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 6#$Ultimate##0true [2022-12-13 17:02:59,137 INFO L750 eck$LassoCheckResult]: Loop: 6#$Ultimate##0true ~m := #in~m;~n := #in~n; 7#L16true assume !(0 == ~n); 14#L19true assume ~n > 0; 15#L20true call #t~ret4 := addition(1 + ~m, ~n - 1);< 6#$Ultimate##0true [2022-12-13 17:02:59,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:02:59,141 INFO L85 PathProgramCache]: Analyzing trace with hash 28695875, now seen corresponding path program 1 times [2022-12-13 17:02:59,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:02:59,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755236719] [2022-12-13 17:02:59,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:02:59,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:02:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:02:59,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:02:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:02:59,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:02:59,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:02:59,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1697202, now seen corresponding path program 1 times [2022-12-13 17:02:59,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:02:59,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68857502] [2022-12-13 17:02:59,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:02:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:02:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:02:59,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:02:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:02:59,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:02:59,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:02:59,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1295733236, now seen corresponding path program 1 times [2022-12-13 17:02:59,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:02:59,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053371341] [2022-12-13 17:02:59,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:02:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:02:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:02:59,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:02:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:02:59,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:02:59,391 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 17:02:59,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 17:02:59,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 17:02:59,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 17:02:59,392 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 17:02:59,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 17:02:59,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 17:02:59,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2022-12-13 17:02:59,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 17:02:59,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 17:02:59,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,433 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,486 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 17:02:59,487 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 17:02:59,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 17:02:59,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:02:59,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:02:59,510 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 17:02:59,510 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 17:02:59,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:02:59,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 17:02:59,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:02:59,530 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:02:59,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 17:02:59,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 17:02:59,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 17:02:59,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:02:59,580 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 17:02:59,581 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=1}, {addition_#in~m=3}, {addition_#in~m=-3}] Lambdas: [1, 2, 1] Nus: [0, 1] [2022-12-13 17:02:59,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 17:02:59,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 17:02:59,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:02:59,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:02:59,600 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 17:02:59,600 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 17:02:59,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 17:02:59,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,604 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 17:02:59,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:02:59,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:02:59,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 17:02:59,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 17:02:59,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 17:02:59,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:02:59,700 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 17:02:59,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 17:02:59,703 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 17:02:59,703 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 17:02:59,704 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 17:02:59,704 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 17:02:59,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 17:02:59,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 17:02:59,704 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 17:02:59,704 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2022-12-13 17:02:59,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 17:02:59,704 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 17:02:59,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:02:59,761 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 17:02:59,766 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 17:02:59,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,769 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 17:02:59,771 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 [2022-12-13 17:02:59,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:02:59,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:02:59,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:02:59,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:02:59,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:02:59,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:02:59,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:02:59,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:02:59,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-12-13 17:02:59,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,792 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 17:02:59,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:02:59,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:02:59,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:02:59,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:02:59,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:02:59,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:02:59,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:02:59,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:02:59,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:02:59,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 17:02:59,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,812 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 17:02:59,814 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 [2022-12-13 17:02:59,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:02:59,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:02:59,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:02:59,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:02:59,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:02:59,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:02:59,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:02:59,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:02:59,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 17:02:59,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,834 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 17:02:59,837 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 [2022-12-13 17:02:59,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:02:59,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:02:59,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:02:59,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:02:59,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:02:59,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:02:59,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:02:59,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 17:02:59,854 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-12-13 17:02:59,855 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 17:02:59,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:02:59,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:59,890 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:59,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 17:02:59,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 17:02:59,892 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 17:02:59,892 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 17:02:59,892 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2022-12-13 17:02:59,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 17:02:59,898 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 17:02:59,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:02:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:59,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 17:02:59,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:02:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:59,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 17:02:59,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:02:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:00,012 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-12-13 17:03:00,014 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:03:00,097 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 73 transitions. Complement of second has 12 states. [2022-12-13 17:03:00,099 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 [2022-12-13 17:03:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:03:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-12-13 17:03:00,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 17:03:00,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:03:00,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2022-12-13 17:03:00,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:03:00,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2022-12-13 17:03:00,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:03:00,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 73 transitions. [2022-12-13 17:03:00,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 17:03:00,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 27 states and 30 transitions. [2022-12-13 17:03:00,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-12-13 17:03:00,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-12-13 17:03:00,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2022-12-13 17:03:00,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 17:03:00,115 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-12-13 17:03:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2022-12-13 17:03:00,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2022-12-13 17:03:00,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:03:00,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-12-13 17:03:00,134 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-12-13 17:03:00,134 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-12-13 17:03:00,134 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 17:03:00,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2022-12-13 17:03:00,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 17:03:00,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:03:00,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:03:00,135 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:03:00,135 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 17:03:00,135 INFO L748 eck$LassoCheckResult]: Stem: 150#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 142#L30 assume !(main_~m~0#1 < 0 || main_~m~0#1 > 1073741823);main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 143#L36 assume !(main_~n~0#1 < 0 || main_~n~0#1 > 1073741823); 137#L41 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 141#$Ultimate##0 ~m := #in~m;~n := #in~n; 145#L16 assume !(0 == ~n); 148#L19 assume !(~n > 0); 144#L22 [2022-12-13 17:03:00,136 INFO L750 eck$LassoCheckResult]: Loop: 144#L22 assume ~n < 0; 136#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 138#$Ultimate##0 ~m := #in~m;~n := #in~n; 153#L16 assume !(0 == ~n); 152#L19 assume !(~n > 0); 144#L22 [2022-12-13 17:03:00,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:00,136 INFO L85 PathProgramCache]: Analyzing trace with hash 180345180, now seen corresponding path program 1 times [2022-12-13 17:03:00,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:00,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132275237] [2022-12-13 17:03:00,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:00,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:00,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:03:00,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132275237] [2022-12-13 17:03:00,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132275237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:03:00,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:03:00,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:03:00,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212434229] [2022-12-13 17:03:00,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:03:00,242 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 17:03:00,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:00,243 INFO L85 PathProgramCache]: Analyzing trace with hash 65148085, now seen corresponding path program 1 times [2022-12-13 17:03:00,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:00,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803366902] [2022-12-13 17:03:00,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:00,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:03:00,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:03:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:03:00,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:03:00,335 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 17:03:00,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 17:03:00,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 17:03:00,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 17:03:00,335 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 17:03:00,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:00,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 17:03:00,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 17:03:00,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2022-12-13 17:03:00,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 17:03:00,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 17:03:00,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:00,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:00,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:00,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:00,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:00,390 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 17:03:00,390 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 17:03:00,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:00,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:00,391 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:00,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 17:03:00,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:03:00,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:03:00,406 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 17:03:00,406 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 17:03:00,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 17:03:00,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:00,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:00,410 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:00,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 17:03:00,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:03:00,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:03:00,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 17:03:00,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 17:03:00,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 17:03:00,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:00,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:00,428 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:00,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 17:03:00,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:03:00,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:03:00,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 17:03:00,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:00,454 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:00,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 17:03:00,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 17:03:00,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:03:00,606 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 17:03:00,606 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0, addition_~m=-6} Honda state: {addition_#in~m=0, addition_~m=-6} Generalized eigenvectors: [{addition_#in~m=-2, addition_~m=-1}, {addition_#in~m=1, addition_~m=0}, {addition_#in~m=-6, addition_~m=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2022-12-13 17:03:00,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 17:03:00,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:00,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:00,610 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:00,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 17:03:00,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:03:00,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:03:00,623 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 17:03:00,623 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 17:03:00,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-12-13 17:03:00,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:00,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:00,627 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:00,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 17:03:00,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 17:03:00,629 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:03:00,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 17:03:00,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:00,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:00,652 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:00,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 17:03:00,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 17:03:00,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 17:03:07,015 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 17:03:07,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 17:03:07,019 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 17:03:07,019 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 17:03:07,019 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 17:03:07,019 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 17:03:07,020 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 17:03:07,020 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:07,020 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 17:03:07,020 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 17:03:07,020 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2022-12-13 17:03:07,020 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 17:03:07,020 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 17:03:07,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:07,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:07,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:07,026 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:07,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:03:07,071 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 17:03:07,071 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 17:03:07,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:07,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:07,072 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:07,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 17:03:07,074 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 [2022-12-13 17:03:07,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:03:07,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:03:07,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:03:07,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:03:07,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:03:07,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:03:07,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:03:07,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:03:07,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 17:03:07,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:07,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:07,089 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:07,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 17:03:07,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:03:07,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:03:07,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:03:07,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:03:07,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:03:07,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:03:07,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:03:07,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:03:07,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:03:07,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-12-13 17:03:07,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:07,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:07,108 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:07,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 17:03:07,111 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 [2022-12-13 17:03:07,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:03:07,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:03:07,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:03:07,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:03:07,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:03:07,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:03:07,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:03:07,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:03:07,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 17:03:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:07,127 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:07,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 17:03:07,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:03:07,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:03:07,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:03:07,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:03:07,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:03:07,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:03:07,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:03:07,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:03:07,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:03:07,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-12-13 17:03:07,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:07,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:07,145 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:07,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 17:03:07,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 17:03:07,154 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 [2022-12-13 17:03:07,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:03:07,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:03:07,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:03:07,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:03:07,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:03:07,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:03:07,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:03:07,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 17:03:07,171 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 17:03:07,172 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 17:03:07,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:03:07,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:07,173 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:07,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 17:03:07,174 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 17:03:07,175 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 17:03:07,175 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 17:03:07,175 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2022-12-13 17:03:07,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 17:03:07,178 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 17:03:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:07,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 17:03:07,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:03:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:07,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 17:03:07,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:03:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:07,269 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 17:03:07,270 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:03:07,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 13 states. [2022-12-13 17:03:07,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 17:03:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:03:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-12-13 17:03:07,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2022-12-13 17:03:07,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:03:07,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2022-12-13 17:03:07,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:03:07,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2022-12-13 17:03:07,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:03:07,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2022-12-13 17:03:07,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 17:03:07,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 31 transitions. [2022-12-13 17:03:07,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-12-13 17:03:07,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 17:03:07,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2022-12-13 17:03:07,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 17:03:07,294 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-12-13 17:03:07,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2022-12-13 17:03:07,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-12-13 17:03:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:03:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-12-13 17:03:07,296 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-12-13 17:03:07,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:03:07,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:03:07,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:03:07,299 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:03:07,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:03:07,327 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2022-12-13 17:03:07,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2022-12-13 17:03:07,328 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 17:03:07,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-12-13 17:03:07,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 17:03:07,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 17:03:07,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 17:03:07,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:03:07,328 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:03:07,328 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:03:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:03:07,329 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:03:07,329 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 17:03:07,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 17:03:07,330 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 17:03:07,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 17:03:07,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 05:03:07 BoogieIcfgContainer [2022-12-13 17:03:07,336 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 17:03:07,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:03:07,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:03:07,337 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:03:07,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:02:59" (3/4) ... [2022-12-13 17:03:07,339 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:03:07,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:03:07,340 INFO L158 Benchmark]: Toolchain (without parser) took 8759.86ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 107.4MB in the beginning and 121.7MB in the end (delta: -14.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-12-13 17:03:07,340 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:03:07,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.37ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 97.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:03:07,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.48ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:03:07,341 INFO L158 Benchmark]: Boogie Preprocessor took 16.54ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 95.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:03:07,341 INFO L158 Benchmark]: RCFGBuilder took 218.61ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 85.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:03:07,342 INFO L158 Benchmark]: BuchiAutomizer took 8301.91ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 85.1MB in the beginning and 121.7MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:03:07,342 INFO L158 Benchmark]: Witness Printer took 2.40ms. Allocated memory is still 172.0MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:03:07,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.37ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 97.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.48ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.54ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 95.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 218.61ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 85.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8301.91ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 85.1MB in the beginning and 121.7MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.40ms. Allocated memory is still 172.0MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * 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 \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 30 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp87 dnf100 smp100 tf110 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 17:03:07,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 17:03:07,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a0498e-786e-4f71-8006-5f5f123864bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE