./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.12.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 640b8fd5c71f51509139c5a180a4d7fcd9c913685cbc00020531a66381fc7b29 --- 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-6b4ec56 [2022-11-20 10:39:52,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:39:52,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:39:52,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:39:52,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:39:52,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:39:52,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:39:52,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:39:52,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:39:52,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:39:52,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:39:52,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:39:52,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:39:52,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:39:52,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:39:52,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:39:52,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:39:52,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:39:52,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:39:52,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:39:52,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:39:52,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:39:52,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:39:52,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:39:52,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:39:52,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:39:52,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:39:52,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:39:52,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:39:52,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:39:52,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:39:52,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:39:52,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:39:52,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:39:52,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:39:52,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:39:52,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:39:52,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:39:52,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:39:52,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:39:52,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:39:52,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 10:39:52,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:39:52,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:39:52,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:39:52,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:39:52,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:39:52,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:39:52,552 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:39:52,552 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:39:52,552 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:39:52,553 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:39:52,554 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:39:52,554 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:39:52,555 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:39:52,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:39:52,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:39:52,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:39:52,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:39:52,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:39:52,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:39:52,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:39:52,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:39:52,558 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:39:52,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:39:52,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:39:52,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:39:52,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:39:52,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:39:52,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:39:52,562 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:39:52,563 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_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 640b8fd5c71f51509139c5a180a4d7fcd9c913685cbc00020531a66381fc7b29 [2022-11-20 10:39:52,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:39:52,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:39:52,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:39:52,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:39:52,939 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:39:52,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-restricted-15/b.12.c [2022-11-20 10:39:55,992 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:39:56,263 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:39:56,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/sv-benchmarks/c/termination-restricted-15/b.12.c [2022-11-20 10:39:56,269 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/data/478f6131f/fcb1ba213b2f4488bc5666793c713646/FLAG66789e373 [2022-11-20 10:39:56,284 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/data/478f6131f/fcb1ba213b2f4488bc5666793c713646 [2022-11-20 10:39:56,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:39:56,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:39:56,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:56,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:39:56,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:39:56,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b54664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56, skipping insertion in model container [2022-11-20 10:39:56,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:39:56,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:56,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:56,501 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:39:56,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:56,530 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:39:56,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56 WrapperNode [2022-11-20 10:39:56,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:56,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:56,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:39:56,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:39:56,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,566 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-20 10:39:56,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:56,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:39:56,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:39:56,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:39:56,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:39:56,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:39:56,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:39:56,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:39:56,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (1/1) ... [2022-11-20 10:39:56,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:56,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:56,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:56,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:39:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:39:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:39:56,765 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:39:56,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:39:56,872 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:39:56,883 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:39:56,884 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:39:56,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:56 BoogieIcfgContainer [2022-11-20 10:39:56,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:39:56,889 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:39:56,889 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:39:56,893 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:39:56,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:39:56,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:39:56" (1/3) ... [2022-11-20 10:39:56,896 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dc40ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:39:56, skipping insertion in model container [2022-11-20 10:39:56,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:39:56,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:56" (2/3) ... [2022-11-20 10:39:56,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dc40ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:39:56, skipping insertion in model container [2022-11-20 10:39:56,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:39:56,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:56" (3/3) ... [2022-11-20 10:39:56,901 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.12.c [2022-11-20 10:39:56,983 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:39:56,983 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:39:56,984 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:39:56,984 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:39:56,984 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:39:56,984 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:39:56,984 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:39:56,985 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:39:56,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:57,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 10:39:57,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:39:57,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:39:57,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:39:57,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 10:39:57,024 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:39:57,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:57,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 10:39:57,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:39:57,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:39:57,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:39:57,027 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 10:39:57,036 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 8#L15-2true [2022-11-20 10:39:57,037 INFO L750 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 9#L12true assume main_~x~0#1 > 0;main_~x~0#1 := main_~x~0#1 - 1; 8#L15-2true [2022-11-20 10:39:57,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:57,049 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 10:39:57,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:57,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562106706] [2022-11-20 10:39:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:57,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:57,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:57,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:57,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:57,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2022-11-20 10:39:57,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:57,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558694935] [2022-11-20 10:39:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:57,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:57,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:57,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:57,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:57,245 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-11-20 10:39:57,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:57,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971822836] [2022-11-20 10:39:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:57,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:57,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:57,369 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:39:57,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:39:57,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:39:57,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:39:57,370 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:39:57,371 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,371 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:39:57,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:39:57,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration1_Loop [2022-11-20 10:39:57,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:39:57,372 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:39:57,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:57,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:57,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:57,468 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:39:57,473 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:39:57,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:57,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:57,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:39:57,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:39:57,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:57,556 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:39:57,557 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:39:57,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:57,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:57,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:57,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:39:57,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:39:57,576 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:57,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:39:57,599 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:39:57,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-20 10:39:57,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:57,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:57,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:39:57,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:39:57,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:57,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:57,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:57,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:57,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:39:57,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:39:57,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:57,696 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:39:57,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:57,700 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:39:57,700 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:39:57,700 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:39:57,700 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:39:57,701 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:39:57,701 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,701 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:39:57,701 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:39:57,701 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration1_Loop [2022-11-20 10:39:57,701 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:39:57,701 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:39:57,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:57,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:57,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:57,782 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:39:57,787 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:39:57,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:57,791 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:39:57,821 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 [2022-11-20 10:39:57,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:39:57,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:39:57,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:39:57,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:39:57,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:39:57,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:39:57,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:39:57,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:57,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:57,867 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:57,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 10:39:57,876 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 [2022-11-20 10:39:57,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:39:57,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:39:57,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:39:57,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:39:57,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:39:57,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:39:57,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:39:57,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-20 10:39:57,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:57,917 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:57,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 10:39:57,920 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 [2022-11-20 10:39:57,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:39:57,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:39:57,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:39:57,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:39:57,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:39:57,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:39:57,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:39:57,936 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:39:57,940 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 10:39:57,941 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 10:39:57,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:57,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:57,964 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:57,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 10:39:57,966 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:39:57,967 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:39:57,967 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:39:57,967 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-20 10:39:57,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:57,974 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:39:58,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:39:58,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,045 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:39:58,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:58,108 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-20 10:39:58,110 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:58,151 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 35 transitions. Complement of second has 5 states. [2022-11-20 10:39:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 10:39:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-20 10:39:58,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 10:39:58,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:39:58,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 10:39:58,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:39:58,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 10:39:58,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:39:58,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. [2022-11-20 10:39:58,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 10:39:58,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 11 states and 16 transitions. [2022-11-20 10:39:58,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 10:39:58,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-20 10:39:58,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2022-11-20 10:39:58,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:39:58,183 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2022-11-20 10:39:58,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2022-11-20 10:39:58,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-11-20 10:39:58,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2022-11-20 10:39:58,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2022-11-20 10:39:58,242 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2022-11-20 10:39:58,242 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:39:58,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2022-11-20 10:39:58,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 10:39:58,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:39:58,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:39:58,243 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:39:58,244 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 10:39:58,244 INFO L748 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 68#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 73#L15-2 assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 74#L12 [2022-11-20 10:39:58,244 INFO L750 eck$LassoCheckResult]: Loop: 74#L12 assume !(main_~x~0#1 > 0); 69#L15 assume main_~y~0#1 > 0;main_~y~0#1 := main_~y~0#1 - 1; 70#L15-2 assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 74#L12 [2022-11-20 10:39:58,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:58,245 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-20 10:39:58,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:58,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717199246] [2022-11-20 10:39:58,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:58,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:58,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:58,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:58,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:58,271 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2022-11-20 10:39:58,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:58,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320337369] [2022-11-20 10:39:58,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:58,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:58,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:58,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:58,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:58,305 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2022-11-20 10:39:58,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:58,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016786964] [2022-11-20 10:39:58,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:58,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:58,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:58,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:58,394 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:39:58,394 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:39:58,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:39:58,394 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:39:58,395 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:39:58,395 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,395 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:39:58,395 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:39:58,395 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration2_Loop [2022-11-20 10:39:58,395 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:39:58,396 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:39:58,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:58,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:58,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:58,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:58,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:39:58,457 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:39:58,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,458 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:39:58,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:58,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 10:39:58,502 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:39:58,502 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:39:58,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:58,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,510 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 10:39:58,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:39:58,513 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:58,531 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:39:58,532 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:39:58,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-11-20 10:39:58,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,537 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 10:39:58,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:39:58,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:58,584 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:39:58,584 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:39:58,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:58,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,596 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:39:58,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:58,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 10:39:58,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:58,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,635 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:39:58,640 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:39:58,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 10:39:58,727 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:39:58,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:58,731 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:39:58,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:39:58,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:39:58,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:39:58,731 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:39:58,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:39:58,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:39:58,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration2_Loop [2022-11-20 10:39:58,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:39:58,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:39:58,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:58,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:58,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:58,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:39:58,816 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:39:58,816 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:39:58,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,820 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,835 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 [2022-11-20 10:39:58,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:39:58,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:39:58,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:39:58,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:39:58,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 10:39:58,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:39:58,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:39:58,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:39:58,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:58,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,890 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,901 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 [2022-11-20 10:39:58,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:39:58,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:39:58,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:39:58,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:39:58,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:39:58,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:39:58,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:39:58,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 10:39:58,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:39:58,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:58,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,924 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 10:39:58,930 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 [2022-11-20 10:39:58,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:39:58,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:39:58,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:39:58,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:39:58,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:39:58,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:39:58,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:39:58,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:58,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:58,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,983 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 10:39:58,987 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 [2022-11-20 10:39:58,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:39:58,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:39:58,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:39:58,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:39:58,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:39:59,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:39:59,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:39:59,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:39:59,020 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 10:39:59,020 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 10:39:59,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:59,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:59,022 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:59,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 10:39:59,025 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:39:59,025 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:39:59,025 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:39:59,025 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-20 10:39:59,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:59,029 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:39:59,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:59,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:39:59,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:59,081 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:39:59,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:59,159 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 [2022-11-20 10:39:59,160 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:59,207 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 54 transitions. Complement of second has 7 states. [2022-11-20 10:39:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 10:39:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-11-20 10:39:59,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-20 10:39:59,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:39:59,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-20 10:39:59,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:39:59,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-20 10:39:59,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:39:59,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2022-11-20 10:39:59,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 10:39:59,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 25 states and 36 transitions. [2022-11-20 10:39:59,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-20 10:39:59,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 10:39:59,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 36 transitions. [2022-11-20 10:39:59,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:39:59,223 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2022-11-20 10:39:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 36 transitions. [2022-11-20 10:39:59,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2022-11-20 10:39:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2022-11-20 10:39:59,231 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2022-11-20 10:39:59,231 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2022-11-20 10:39:59,231 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 10:39:59,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2022-11-20 10:39:59,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 10:39:59,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:39:59,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:39:59,234 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 10:39:59,234 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 10:39:59,235 INFO L748 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 156#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 162#L15-2 assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 172#L12 assume !(main_~x~0#1 > 0); 157#L15 [2022-11-20 10:39:59,235 INFO L750 eck$LassoCheckResult]: Loop: 157#L15 assume !(main_~y~0#1 > 0); 158#L15-2 assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 163#L12 assume !(main_~x~0#1 > 0); 157#L15 [2022-11-20 10:39:59,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:59,236 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-20 10:39:59,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:59,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657461744] [2022-11-20 10:39:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:59,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:59,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:59,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:59,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:59,254 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2022-11-20 10:39:59,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:59,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794033851] [2022-11-20 10:39:59,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:59,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:59,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:59,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794033851] [2022-11-20 10:39:59,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794033851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:59,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:59,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:39:59,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121749008] [2022-11-20 10:39:59,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:59,344 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:39:59,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:59,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:39:59,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:39:59,348 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:59,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:59,376 INFO L93 Difference]: Finished difference Result 23 states and 31 transitions. [2022-11-20 10:39:59,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2022-11-20 10:39:59,385 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:39:59,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2022-11-20 10:39:59,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 10:39:59,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 10:39:59,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 10:39:59,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:39:59,386 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:39:59,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:39:59,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:39:59,388 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:39:59,388 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 10:39:59,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:39:59,388 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:39:59,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:39:59,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:39:59 BoogieIcfgContainer [2022-11-20 10:39:59,396 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:39:59,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:39:59,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:39:59,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:39:59,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:56" (3/4) ... [2022-11-20 10:39:59,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:39:59,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:39:59,406 INFO L158 Benchmark]: Toolchain (without parser) took 3112.79ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 118.2MB in the beginning and 109.7MB in the end (delta: 8.5MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-11-20 10:39:59,407 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:39:59,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.17ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 107.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:39:59,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.02ms. Allocated memory is still 151.0MB. Free memory was 107.8MB in the beginning and 106.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:59,409 INFO L158 Benchmark]: Boogie Preprocessor took 21.42ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 105.4MB in the end (delta: 949.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:39:59,409 INFO L158 Benchmark]: RCFGBuilder took 294.21ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 97.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:59,417 INFO L158 Benchmark]: BuchiAutomizer took 2507.57ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 97.0MB in the beginning and 110.6MB in the end (delta: -13.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:59,419 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 197.1MB. Free memory was 110.6MB in the beginning and 109.7MB in the end (delta: 889.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:59,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.17ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 107.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.02ms. Allocated memory is still 151.0MB. Free memory was 107.8MB in the beginning and 106.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.42ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 105.4MB in the end (delta: 949.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.21ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 97.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2507.57ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 97.0MB in the beginning and 110.6MB in the end (delta: -13.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 197.1MB. Free memory was 110.6MB in the beginning and 109.7MB in the end (delta: 889.8kB). Peak memory consumption was 2.1MB. 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 x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. 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, 5 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 19 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 10:39:59,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:59,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:59,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22d06ee-32be-44ec-85c9-12b303e463b1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE