./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gj2007b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gj2007b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:49:31,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:49:31,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:49:31,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:49:31,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:49:31,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:49:31,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:49:31,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:49:31,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:49:31,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:49:31,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:49:31,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:49:31,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:49:31,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:49:31,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:49:31,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:49:31,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:49:31,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:49:31,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:49:31,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:49:31,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:49:31,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:49:31,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:49:31,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:49:31,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:49:31,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:49:31,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:49:31,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:49:31,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:49:31,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:49:31,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:49:31,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:49:31,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:49:31,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:49:31,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:49:31,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:49:31,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:49:31,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:49:31,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:49:31,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:49:31,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:49:31,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 18:49:31,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:49:31,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:49:31,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:49:31,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:49:31,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:49:31,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:49:31,529 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:49:31,530 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:49:31,530 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:49:31,530 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:49:31,530 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:49:31,530 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:49:31,530 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:49:31,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:49:31,531 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:49:31,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:49:31,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:49:31,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:49:31,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:49:31,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:49:31,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:49:31,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:49:31,532 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:49:31,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:49:31,532 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:49:31,532 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:49:31,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:49:31,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:49:31,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:49:31,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:49:31,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:49:31,534 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:49:31,534 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_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 [2022-12-13 18:49:31,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:49:31,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:49:31,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:49:31,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:49:31,712 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:49:31,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-lit/gj2007b.i [2022-12-13 18:49:34,341 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:49:34,458 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:49:34,459 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/sv-benchmarks/c/loop-lit/gj2007b.i [2022-12-13 18:49:34,463 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/data/4af9102ac/3a4258f9e3ac496fbd2ba724f7264588/FLAG457ee2893 [2022-12-13 18:49:34,475 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/data/4af9102ac/3a4258f9e3ac496fbd2ba724f7264588 [2022-12-13 18:49:34,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:49:34,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:49:34,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:49:34,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:49:34,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:49:34,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e1aac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34, skipping insertion in model container [2022-12-13 18:49:34,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:49:34,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:49:34,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/sv-benchmarks/c/loop-lit/gj2007b.i[895,908] [2022-12-13 18:49:34,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:49:34,654 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:49:34,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/sv-benchmarks/c/loop-lit/gj2007b.i[895,908] [2022-12-13 18:49:34,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:49:34,674 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:49:34,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34 WrapperNode [2022-12-13 18:49:34,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:49:34,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:49:34,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:49:34,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:49:34,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,696 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2022-12-13 18:49:34,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:49:34,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:49:34,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:49:34,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:49:34,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:49:34,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:49:34,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:49:34,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:49:34,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (1/1) ... [2022-12-13 18:49:34,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:49:34,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:34,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:49:34,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:49:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:49:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:49:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:49:34,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:49:34,821 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:49:34,822 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:49:34,881 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:49:34,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:49:34,885 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:49:34,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:49:34 BoogieIcfgContainer [2022-12-13 18:49:34,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:49:34,887 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:49:34,888 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:49:34,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:49:34,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:49:34,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:49:34" (1/3) ... [2022-12-13 18:49:34,891 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b76fa73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:49:34, skipping insertion in model container [2022-12-13 18:49:34,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:49:34,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:34" (2/3) ... [2022-12-13 18:49:34,892 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b76fa73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:49:34, skipping insertion in model container [2022-12-13 18:49:34,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:49:34,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:49:34" (3/3) ... [2022-12-13 18:49:34,893 INFO L332 chiAutomizerObserver]: Analyzing ICFG gj2007b.i [2022-12-13 18:49:34,929 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:49:34,929 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:49:34,929 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:49:34,929 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:49:34,929 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:49:34,929 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:49:34,929 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:49:34,929 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:49:34,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2022-12-13 18:49:34,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:49:34,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:49:34,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:49:34,949 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:49:34,949 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:49:34,949 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:49:34,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2022-12-13 18:49:34,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:49:34,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:49:34,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:49:34,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:49:34,951 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:49:34,956 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~m~0#1, main_~n~0#1;main_~x~0#1 := 0;main_~m~0#1 := 0;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L28-2true [2022-12-13 18:49:34,957 INFO L750 eck$LassoCheckResult]: Loop: 6#L28-2true assume !!(main_~x~0#1 < main_~n~0#1); 5#L29true assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 15#L29-2true main_~x~0#1 := 1 + main_~x~0#1; 6#L28-2true [2022-12-13 18:49:34,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:34,961 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 18:49:34,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:34,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375179114] [2022-12-13 18:49:34,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:49:35,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:49:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:49:35,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:49:35,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:35,051 INFO L85 PathProgramCache]: Analyzing trace with hash 40876, now seen corresponding path program 1 times [2022-12-13 18:49:35,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:35,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076615400] [2022-12-13 18:49:35,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:35,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:49:35,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:49:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:49:35,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:49:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:35,065 INFO L85 PathProgramCache]: Analyzing trace with hash 28699818, now seen corresponding path program 1 times [2022-12-13 18:49:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:35,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31590700] [2022-12-13 18:49:35,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:49:35,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:49:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:49:35,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:49:35,132 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:49:35,132 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:49:35,132 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:49:35,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:49:35,133 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:49:35,133 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:49:35,133 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:49:35,133 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:49:35,133 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007b.i_Iteration1_Loop [2022-12-13 18:49:35,133 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:49:35,133 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:49:35,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:49:35,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:49:35,189 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:49:35,190 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:49:35,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:49:35,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:35,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:49:35,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 18:49:35,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:49:35,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:49:35,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:49:35,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:49:35,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:35,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:49:35,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 18:49:35,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:49:35,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:49:35,338 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 18:49:35,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 18:49:35,342 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:49:35,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:49:35,342 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:49:35,342 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:49:35,342 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:49:35,342 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:49:35,342 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:49:35,342 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:49:35,342 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007b.i_Iteration1_Loop [2022-12-13 18:49:35,342 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:49:35,343 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:49:35,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:49:35,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:49:35,369 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:49:35,372 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:49:35,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:49:35,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:35,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:49:35,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 18:49:35,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:49:35,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:49:35,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:49:35,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:49:35,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:49:35,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:49:35,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:49:35,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:49:35,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:49:35,402 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 18:49:35,402 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 18:49:35,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:49:35,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:35,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:49:35,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 18:49:35,444 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:49:35,444 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 18:49:35,444 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:49:35,445 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2022-12-13 18:49:35,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 18:49:35,453 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 18:49:35,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:35,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:49:35,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:49:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:35,514 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:49:35,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:49:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:49:35,558 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 18:49:35,560 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 18:49:35,596 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 38 states and 48 transitions. Complement of second has 7 states. [2022-12-13 18:49:35,598 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 [2022-12-13 18:49:35,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 18:49:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2022-12-13 18:49:35,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 3 letters. [2022-12-13 18:49:35,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:49:35,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 3 letters. [2022-12-13 18:49:35,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:49:35,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 6 letters. [2022-12-13 18:49:35,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:49:35,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2022-12-13 18:49:35,606 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 18:49:35,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2022-12-13 18:49:35,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 18:49:35,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 18:49:35,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 18:49:35,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:49:35,609 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:49:35,609 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:49:35,609 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:49:35,609 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:49:35,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:49:35,609 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 18:49:35,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 18:49:35,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:49:35 BoogieIcfgContainer [2022-12-13 18:49:35,615 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:49:35,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:49:35,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:49:35,616 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:49:35,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:49:34" (3/4) ... [2022-12-13 18:49:35,619 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:49:35,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:49:35,619 INFO L158 Benchmark]: Toolchain (without parser) took 1140.94ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 56.3MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-13 18:49:35,620 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:49:35,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.84ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 108.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 18:49:35,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.45ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 107.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:49:35,621 INFO L158 Benchmark]: Boogie Preprocessor took 13.25ms. Allocated memory is still 155.2MB. Free memory was 107.2MB in the beginning and 106.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:49:35,621 INFO L158 Benchmark]: RCFGBuilder took 176.11ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 96.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 18:49:35,622 INFO L158 Benchmark]: BuchiAutomizer took 728.06ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 56.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-13 18:49:35,622 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 155.2MB. Free memory was 56.8MB in the beginning and 56.3MB in the end (delta: 542.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:49:35,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.84ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 108.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.45ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 107.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.25ms. Allocated memory is still 155.2MB. Free memory was 107.2MB in the beginning and 106.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 176.11ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 96.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 728.06ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 56.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 155.2MB. Free memory was 56.8MB in the beginning and 56.3MB in the end (delta: 542.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 71ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 18:49:35,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 18:49:35,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73c2871-2f89-480c-98ad-696a8a7c7fa4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE