./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Sequence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Sequence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:19:43,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:19:43,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:19:43,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:19:43,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:19:43,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:19:43,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:19:43,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:19:43,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:19:43,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:19:43,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:19:43,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:19:43,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:19:43,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:19:43,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:19:43,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:19:43,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:19:43,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:19:43,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:19:43,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:19:43,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:19:43,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:19:43,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:19:43,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:19:43,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:19:43,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:19:43,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:19:43,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:19:43,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:19:43,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:19:43,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:19:43,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:19:43,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:19:43,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:19:43,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:19:43,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:19:43,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:19:43,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:19:43,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:19:43,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:19:43,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:19:43,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:19:43,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:19:43,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:19:43,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:19:43,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:19:43,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:19:43,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:19:43,687 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:19:43,687 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:19:43,688 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:19:43,688 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:19:43,688 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:19:43,689 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:19:43,689 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:19:43,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:19:43,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:19:43,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:19:43,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:19:43,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:19:43,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:19:43,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:19:43,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:19:43,692 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:19:43,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:19:43,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:19:43,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:19:43,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:19:43,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:19:43,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:19:43,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:19:43,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:19:43,695 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_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 [2021-10-28 23:19:43,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:19:43,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:19:43,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:19:43,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:19:43,990 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:19:43,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-restricted-15/Sequence.c [2021-10-28 23:19:44,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/data/ec57271a9/44fc0944e6ff4853b9701b6e97392600/FLAGc47c60d54 [2021-10-28 23:19:44,570 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:19:44,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/sv-benchmarks/c/termination-restricted-15/Sequence.c [2021-10-28 23:19:44,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/data/ec57271a9/44fc0944e6ff4853b9701b6e97392600/FLAGc47c60d54 [2021-10-28 23:19:44,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/data/ec57271a9/44fc0944e6ff4853b9701b6e97392600 [2021-10-28 23:19:44,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:19:44,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:19:44,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:44,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:19:44,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:19:44,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:44" (1/1) ... [2021-10-28 23:19:44,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ef76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:44, skipping insertion in model container [2021-10-28 23:19:44,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:44" (1/1) ... [2021-10-28 23:19:44,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:19:44,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:19:45,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:19:45,138 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:19:45,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:19:45,190 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:19:45,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45 WrapperNode [2021-10-28 23:19:45,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:45,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:19:45,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:19:45,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:19:45,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:19:45,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:19:45,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:19:45,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:19:45,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:19:45,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:19:45,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:19:45,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:19:45,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (1/1) ... [2021-10-28 23:19:45,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:45,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:45,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:45,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:19:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:19:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:19:45,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:19:45,475 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:19:45,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:45 BoogieIcfgContainer [2021-10-28 23:19:45,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:19:45,480 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:19:45,480 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:19:45,484 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:19:45,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:45,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:19:44" (1/3) ... [2021-10-28 23:19:45,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a626b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:19:45, skipping insertion in model container [2021-10-28 23:19:45,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:45,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:45" (2/3) ... [2021-10-28 23:19:45,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a626b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:19:45, skipping insertion in model container [2021-10-28 23:19:45,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:45,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:45" (3/3) ... [2021-10-28 23:19:45,490 INFO L389 chiAutomizerObserver]: Analyzing ICFG Sequence.c [2021-10-28 23:19:45,546 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:19:45,547 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:19:45,547 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:19:45,547 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:19:45,547 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:19:45,547 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:19:45,547 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:19:45,548 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:19:45,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:45,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-28 23:19:45,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:45,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:45,584 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:19:45,584 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:19:45,585 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:19:45,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:45,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-28 23:19:45,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:45,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:45,587 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:19:45,587 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:19:45,593 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 5; 8#L11-2true [2021-10-28 23:19:45,593 INFO L793 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~i~0 < 100);main_~i~0 := 1 + main_~i~0; 8#L11-2true [2021-10-28 23:19:45,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:45,599 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 23:19:45,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:45,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338818116] [2021-10-28 23:19:45,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:45,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:45,688 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:45,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:45,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:45,723 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 23:19:45,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:45,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126586597] [2021-10-28 23:19:45,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:45,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:45,741 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:45,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:45,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:45,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 23:19:45,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:45,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547830595] [2021-10-28 23:19:45,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:45,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:45,778 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:45,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:45,885 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:45,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:45,886 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:45,886 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:45,886 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:19:45,886 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:45,886 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:45,887 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:45,887 INFO L133 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration1_Loop [2021-10-28 23:19:45,887 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:45,887 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:45,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:45,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:45,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:46,046 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:46,055 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:19:46,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:46,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:46,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:46,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:46,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:19:46,095 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:46,095 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: [] [2021-10-28 23:19:46,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:46,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:46,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:46,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:46,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:46,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:19:46,177 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:46,177 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: [] [2021-10-28 23:19:46,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:46,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:46,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:46,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:46,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:46,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:19:46,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:46,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:46,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:46,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:19:46,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:46,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:19:46,351 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:19:46,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:46,359 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:46,359 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:46,360 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:46,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:46,360 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:19:46,360 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,360 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:46,360 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:46,360 INFO L133 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration1_Loop [2021-10-28 23:19:46,361 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:46,361 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:46,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:46,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:46,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:46,443 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:46,448 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:19:46,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:46,467 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:46,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:19:46,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:46,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:46,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:46,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:46,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:46,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:46,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:46,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:46,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:46,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:46,539 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:46,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:46,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:46,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:46,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:46,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:46,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:46,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:46,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:19:46,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:46,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:46,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:46,628 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:46,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:46,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:46,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:46,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:46,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:46,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:46,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:46,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:46,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:19:46,657 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:19:46,668 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:19:46,668 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:19:46,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:46,672 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:46,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:19:46,699 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:19:46,700 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:19:46,701 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:19:46,701 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 Supporting invariants [] [2021-10-28 23:19:46,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:46,725 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:19:46,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:46,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:19:46,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:46,783 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:19:46,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:46,802 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 23:19:46,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:46,843 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 19 states and 28 transitions. Complement of second has 5 states. [2021-10-28 23:19:46,844 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 [2021-10-28 23:19:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:46,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-10-28 23:19:46,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-28 23:19:46,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:46,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-28 23:19:46,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:46,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 23:19:46,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:46,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2021-10-28 23:19:46,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:19:46,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 5 states and 7 transitions. [2021-10-28 23:19:46,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-28 23:19:46,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-28 23:19:46,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2021-10-28 23:19:46,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:46,858 INFO L681 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2021-10-28 23:19:46,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2021-10-28 23:19:46,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. [2021-10-28 23:19:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-10-28 23:19:46,882 INFO L704 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. [2021-10-28 23:19:46,882 INFO L587 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. [2021-10-28 23:19:46,882 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:19:46,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 6 transitions. [2021-10-28 23:19:46,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:19:46,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:46,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:46,884 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:19:46,884 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:19:46,884 INFO L791 eck$LassoCheckResult]: Stem: 56#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 5; 57#L11-2 assume !(main_~i~0 < 100); 55#L13-1 [2021-10-28 23:19:46,884 INFO L793 eck$LassoCheckResult]: Loop: 55#L13-1 assume !!(main_~j~0 < 21);main_~j~0 := 3 + main_~j~0; 55#L13-1 [2021-10-28 23:19:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:46,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1000, now seen corresponding path program 1 times [2021-10-28 23:19:46,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:46,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818459095] [2021-10-28 23:19:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:46,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:46,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:19:46,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818459095] [2021-10-28 23:19:46,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818459095] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:19:46,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:19:46,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-28 23:19:46,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834744941] [2021-10-28 23:19:46,918 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:19:46,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:46,918 INFO L85 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2021-10-28 23:19:46,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:46,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199697196] [2021-10-28 23:19:46,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:46,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:46,923 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:46,926 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:46,942 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:46,943 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:46,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:46,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:46,944 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:19:46,951 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:46,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:46,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:46,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration2_Loop [2021-10-28 23:19:46,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:46,952 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:46,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:46,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:46,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:47,012 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:47,012 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:19:47,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:47,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:47,019 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:47,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:47,022 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:47,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:19:47,039 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:47,039 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: [] [2021-10-28 23:19:47,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:47,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:47,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:47,079 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:47,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:19:47,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:47,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:47,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-28 23:19:47,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:47,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:47,125 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:47,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:19:47,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:19:47,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:47,167 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:19:47,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:47,173 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:47,173 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:47,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:47,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:47,173 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:19:47,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:47,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:47,173 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:47,173 INFO L133 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration2_Loop [2021-10-28 23:19:47,173 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:47,173 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:47,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:47,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:47,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:47,228 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:47,228 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:19:47,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:47,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:47,230 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:47,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:19:47,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:47,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:47,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:47,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:47,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:47,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:47,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:47,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:47,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:19:47,311 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:19:47,311 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:19:47,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:47,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:47,339 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:47,344 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:19:47,344 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:19:47,344 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:19:47,344 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 43 Supporting invariants [] [2021-10-28 23:19:47,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:19:47,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:47,379 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:19:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:47,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:19:47,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:47,426 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:19:47,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:47,427 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 23:19:47,427 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4 states and 6 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:47,431 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4 states and 6 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5 states and 7 transitions. Complement of second has 2 states. [2021-10-28 23:19:47,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 23:19:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2021-10-28 23:19:47,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-28 23:19:47,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:47,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 1 letters. [2021-10-28 23:19:47,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:47,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 23:19:47,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:47,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2021-10-28 23:19:47,433 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:19:47,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. [2021-10-28 23:19:47,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:19:47,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:19:47,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:19:47,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:47,433 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:19:47,433 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:19:47,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:19:47,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:19:47,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:19:47,436 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:47,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:19:47,438 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 23:19:47,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:19:47,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 23:19:47,438 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:19:47,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:19:47,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:19:47,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:19:47,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:19:47,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:47,439 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:19:47,439 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:19:47,439 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:19:47,439 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:19:47,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:19:47,439 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:19:47,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:19:47,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:19:47 BoogieIcfgContainer [2021-10-28 23:19:47,450 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:19:47,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:19:47,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:19:47,451 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:19:47,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:45" (3/4) ... [2021-10-28 23:19:47,454 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:19:47,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:19:47,456 INFO L168 Benchmark]: Toolchain (without parser) took 2497.39 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 71.0 MB in the beginning and 65.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:47,457 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:19:47,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.41 ms. Allocated memory is still 102.8 MB. Free memory was 70.8 MB in the beginning and 79.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:47,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.84 ms. Allocated memory is still 102.8 MB. Free memory was 79.1 MB in the beginning and 77.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:19:47,458 INFO L168 Benchmark]: Boogie Preprocessor took 16.35 ms. Allocated memory is still 102.8 MB. Free memory was 77.7 MB in the beginning and 77.0 MB in the end (delta: 710.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:19:47,459 INFO L168 Benchmark]: RCFGBuilder took 240.35 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 69.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:47,460 INFO L168 Benchmark]: BuchiAutomizer took 1970.17 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.3 MB in the beginning and 65.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:47,460 INFO L168 Benchmark]: Witness Printer took 3.65 ms. Allocated memory is still 123.7 MB. Free memory was 65.9 MB in the beginning and 65.6 MB in the end (delta: 345.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:19:47,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 231.41 ms. Allocated memory is still 102.8 MB. Free memory was 70.8 MB in the beginning and 79.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.84 ms. Allocated memory is still 102.8 MB. Free memory was 79.1 MB in the beginning and 77.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.35 ms. Allocated memory is still 102.8 MB. Free memory was 77.7 MB in the beginning and 77.0 MB in the end (delta: 710.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 240.35 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 69.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1970.17 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.3 MB in the beginning and 65.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.65 ms. Allocated memory is still 123.7 MB. Free memory was 65.9 MB in the beginning and 65.6 MB in the end (delta: 345.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 199 and consists of 4 locations. One deterministic module has affine ranking function 43 + -2 * j and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 8 SDslu, 5 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:19:47,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:47,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:47,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be3baea-9b30-4fa7-8af9-c96742135612/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...