./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-05-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/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_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-05-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/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 64bit --witnessprinter.graph.data.programhash 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa --- 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 14:39:19,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:39:19,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:39:19,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:39:19,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:39:19,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:39:19,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:39:19,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:39:19,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:39:19,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:39:19,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:39:19,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:39:19,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:39:19,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:39:19,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:39:19,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:39:19,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:39:19,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:39:19,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:39:19,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:39:19,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:39:19,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:39:19,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:39:19,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:39:19,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:39:19,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:39:19,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:39:19,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:39:19,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:39:19,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:39:19,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:39:19,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:39:19,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:39:19,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:39:19,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:39:19,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:39:19,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:39:19,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:39:19,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:39:19,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:39:19,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:39:19,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 14:39:19,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:39:19,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:39:19,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:39:19,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:39:19,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:39:19,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:39:19,410 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:39:19,410 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:39:19,410 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:39:19,410 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:39:19,411 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:39:19,411 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:39:19,411 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:39:19,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:39:19,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:39:19,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:39:19,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:39:19,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:39:19,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:39:19,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:39:19,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:39:19,412 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:39:19,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:39:19,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:39:19,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:39:19,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:39:19,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:39:19,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:39:19,414 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:39:19,414 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_7e4017b4-a284-401d-9af3-7e8e2611184e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa [2022-12-13 14:39:19,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:39:19,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:39:19,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:39:19,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:39:19,599 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:39:19,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-bwb/or-05-false.c [2022-12-13 14:39:22,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:39:22,258 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:39:22,259 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/sv-benchmarks/c/termination-bwb/or-05-false.c [2022-12-13 14:39:22,263 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/data/fb6e02fb6/6b50f0789f784995ae21d2bb8eff0b65/FLAGd1fc6d4bc [2022-12-13 14:39:22,687 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/data/fb6e02fb6/6b50f0789f784995ae21d2bb8eff0b65 [2022-12-13 14:39:22,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:39:22,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:39:22,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:39:22,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:39:22,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:39:22,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd63887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22, skipping insertion in model container [2022-12-13 14:39:22,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:39:22,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:39:22,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:39:22,809 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:39:22,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:39:22,827 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:39:22,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22 WrapperNode [2022-12-13 14:39:22,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:39:22,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:39:22,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:39:22,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:39:22,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,847 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-12-13 14:39:22,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:39:22,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:39:22,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:39:22,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:39:22,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:39:22,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:39:22,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:39:22,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:39:22,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (1/1) ... [2022-12-13 14:39:22,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:22,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:22,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:22,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:39:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:39:22,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:39:22,964 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:39:22,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:39:23,037 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:39:23,044 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:39:23,044 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 14:39:23,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:39:23 BoogieIcfgContainer [2022-12-13 14:39:23,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:39:23,047 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:39:23,047 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:39:23,051 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:39:23,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:39:23,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:39:22" (1/3) ... [2022-12-13 14:39:23,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53c8e500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:39:23, skipping insertion in model container [2022-12-13 14:39:23,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:39:23,053 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:39:22" (2/3) ... [2022-12-13 14:39:23,054 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53c8e500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:39:23, skipping insertion in model container [2022-12-13 14:39:23,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:39:23,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:39:23" (3/3) ... [2022-12-13 14:39:23,055 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-05-false.c [2022-12-13 14:39:23,109 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:39:23,109 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:39:23,109 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:39:23,109 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:39:23,110 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:39:23,110 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:39:23,110 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:39:23,110 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:39:23,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:39:23,131 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:39:23,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:39:23,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:39:23,137 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:39:23,137 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 14:39:23,137 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:39:23,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:39:23,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:39:23,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:39:23,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:39:23,139 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:39:23,139 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 14:39:23,146 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 5#L20-2true [2022-12-13 14:39:23,146 INFO L750 eck$LassoCheckResult]: Loop: 5#L20-2true assume !!(main_~x~0#1 > 0); 11#L20true assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 5#L20-2true [2022-12-13 14:39:23,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:23,150 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 14:39:23,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:23,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413844553] [2022-12-13 14:39:23,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:23,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:23,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:23,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:23,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:23,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2022-12-13 14:39:23,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:23,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828698268] [2022-12-13 14:39:23,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:23,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:23,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:23,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:23,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:23,241 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2022-12-13 14:39:23,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:23,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201831769] [2022-12-13 14:39:23,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:23,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:23,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:23,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:23,307 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:39:23,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:39:23,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:39:23,308 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:39:23,308 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 14:39:23,308 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:39:23,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:39:23,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2022-12-13 14:39:23,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:39:23,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:39:23,320 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 14:39:23,389 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:39:23,390 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 14:39:23,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 14:39:23,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:39:23,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:39:23,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:39:23,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 14:39:23,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:39:23,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:39:23,495 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 14:39:23,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-12-13 14:39:23,499 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:39:23,499 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:39:23,499 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:39:23,499 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:39:23,499 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:39:23,500 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:39:23,500 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:39:23,500 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2022-12-13 14:39:23,500 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:39:23,500 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:39:23,501 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 14:39:23,549 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:39:23,554 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:39:23,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 14:39:23,558 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 14:39:23,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:39:23,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,571 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:39:23,575 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 14:39:23,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 14:39:23,585 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 14:39:23,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 14:39:23,588 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 14:39:23,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:39:23,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,599 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,599 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 14:39:23,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:39:23,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 14:39:23,613 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 14:39:23,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,614 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 14:39:23,617 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 14:39:23,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:39:23,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,628 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,628 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 14:39:23,633 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 14:39:23,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 14:39:23,646 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 14:39:23,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,648 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 14:39:23,650 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 14:39:23,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:39:23,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,661 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,661 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 14:39:23,666 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-12-13 14:39:23,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 14:39:23,690 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 14:39:23,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 14:39:23,693 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 14:39:23,704 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 14:39:23,704 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 14:39:23,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,704 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,704 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 14:39:23,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:39:23,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 14:39:23,726 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-12-13 14:39:23,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,727 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 14:39:23,729 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 14:39:23,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 14:39:23,740 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 14:39:23,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,740 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,740 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 14:39:23,747 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 14:39:23,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 14:39:23,771 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-12-13 14:39:23,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,772 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 14:39:23,774 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 14:39:23,785 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 14:39:23,785 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 14:39:23,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,786 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,786 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 14:39:23,796 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-12-13 14:39:23,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 14:39:23,843 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-12-13 14:39:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,845 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 14:39:23,847 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 14:39:23,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 14:39:23,858 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 14:39:23,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,858 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,858 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 14:39:23,862 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 14:39:23,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 14:39:23,877 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-12-13 14:39:23,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,878 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 14:39:23,880 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 14:39:23,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 14:39:23,892 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 14:39:23,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:23,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:23,892 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:23,892 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 14:39:23,898 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 14:39:23,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:23,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:23,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-12-13 14:39:23,934 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:39:23,934 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:39:23,934 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:39:23,934 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:39:23,934 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 14:39:23,934 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,934 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:39:23,934 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:39:23,934 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2022-12-13 14:39:23,935 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:39:23,935 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:39:23,936 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 14:39:23,938 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 14:39:23,947 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 14:39:23,949 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 14:39:23,993 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:39:23,993 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 14:39:23,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:23,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:23,995 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:23,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 14:39:23,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:39:23,997 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:39:24,012 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 14:39:24,013 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 14:39:24,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 14:39:24,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:24,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:24,017 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:24,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 14:39:24,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:39:24,019 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:39:24,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 14:39:24,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:24,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:24,035 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:24,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 14:39:24,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:39:24,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:39:24,063 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 14:39:24,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 14:39:24,066 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:39:24,067 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:39:24,067 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:39:24,067 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:39:24,067 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:39:24,067 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:24,067 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:39:24,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:39:24,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2022-12-13 14:39:24,067 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:39:24,067 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:39:24,068 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 14:39:24,070 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 14:39:24,072 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 14:39:24,074 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 14:39:24,121 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:39:24,121 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:39:24,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:24,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:24,122 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:24,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 14:39:24,125 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 14:39:24,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:39:24,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:24,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:24,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:39:24,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:39:24,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:39:24,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:24,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:24,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 14:39:24,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:24,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:24,141 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:24,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 14:39:24,143 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 14:39:24,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:39:24,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:24,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:24,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:39:24,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:39:24,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:39:24,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:24,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:24,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 14:39:24,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:24,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:24,158 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:24,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 14:39:24,160 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 14:39:24,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:39:24,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:39:24,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:24,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:39:24,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:39:24,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:39:24,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:39:24,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:39:24,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 14:39:24,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:24,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:24,177 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:24,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 14:39:24,179 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 14:39:24,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:39:24,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:39:24,190 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 14:39:24,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:39:24,197 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 14:39:24,197 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 14:39:24,213 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:39:24,232 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-12-13 14:39:24,233 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-12-13 14:39:24,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:39:24,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:39:24,271 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:39:24,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 14:39:24,273 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:39:24,286 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-12-13 14:39:24,286 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:39:24,286 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_main_~y~0#1 + 1 >= 0] [2022-12-13 14:39:24,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 14:39:24,295 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-12-13 14:39:24,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:39:24,333 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:39:24,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:39:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:39:24,345 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 14:39:24,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:39:24,352 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 14:39:24,383 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 14:39:24,385 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:39:24,443 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 41 transitions. Complement of second has 5 states. [2022-12-13 14:39:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 14:39:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:39:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-12-13 14:39:24,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 2 letters. Loop has 2 letters. [2022-12-13 14:39:24,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:39:24,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 14:39:24,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:39:24,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2022-12-13 14:39:24,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:39:24,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions. [2022-12-13 14:39:24,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:39:24,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 15 states and 22 transitions. [2022-12-13 14:39:24,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 14:39:24,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 14:39:24,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 22 transitions. [2022-12-13 14:39:24,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 14:39:24,461 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2022-12-13 14:39:24,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 22 transitions. [2022-12-13 14:39:24,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-12-13 14:39:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 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 14:39:24,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2022-12-13 14:39:24,487 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 21 transitions. [2022-12-13 14:39:24,487 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 21 transitions. [2022-12-13 14:39:24,487 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 14:39:24,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 21 transitions. [2022-12-13 14:39:24,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:39:24,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:39:24,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:39:24,488 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 14:39:24,488 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 14:39:24,488 INFO L748 eck$LassoCheckResult]: Stem: 92#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 93#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 94#L20-2 assume !!(main_~x~0#1 > 0); 83#L20 [2022-12-13 14:39:24,489 INFO L750 eck$LassoCheckResult]: Loop: 83#L20 assume 1 == main_~y~0#1; 86#L21 assume 0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1;main_#t~nondet1#1 := 1 + main_~y~0#1; 87#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 82#L20-2 assume !!(main_~x~0#1 > 0); 83#L20 [2022-12-13 14:39:24,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,489 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-12-13 14:39:24,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:24,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083689] [2022-12-13 14:39:24,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:24,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1357749, now seen corresponding path program 1 times [2022-12-13 14:39:24,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:24,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137055257] [2022-12-13 14:39:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:39:24,532 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 14:39:24,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:39:24,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137055257] [2022-12-13 14:39:24,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137055257] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:39:24,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:39:24,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:39:24,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295599100] [2022-12-13 14:39:24,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:39:24,536 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:39:24,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:39:24,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:39:24,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:39:24,539 INFO L87 Difference]: Start difference. First operand 14 states and 21 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:39:24,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:39:24,552 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2022-12-13 14:39:24,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2022-12-13 14:39:24,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:39:24,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2022-12-13 14:39:24,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 14:39:24,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 14:39:24,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2022-12-13 14:39:24,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 14:39:24,554 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-12-13 14:39:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2022-12-13 14:39:24,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2022-12-13 14:39:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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 14:39:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-12-13 14:39:24,556 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-12-13 14:39:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:39:24,557 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-12-13 14:39:24,557 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 14:39:24,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-12-13 14:39:24,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:39:24,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:39:24,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:39:24,558 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 14:39:24,558 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 14:39:24,559 INFO L748 eck$LassoCheckResult]: Stem: 126#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 130#L20-2 assume !!(main_~x~0#1 > 0); 119#L20 [2022-12-13 14:39:24,559 INFO L750 eck$LassoCheckResult]: Loop: 119#L20 assume 1 == main_~y~0#1; 122#L21 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 123#L21-2 assume !(0 == 1 + main_~y~0#1);main_#t~nondet1#1 := ~bitwiseOr(main_~y~0#1, 1 + main_~y~0#1);assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || (main_#t~nondet1#1 >= main_~y~0#1 && main_#t~nondet1#1 >= 1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1); 128#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 118#L20-2 assume !!(main_~x~0#1 > 0); 119#L20 [2022-12-13 14:39:24,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,559 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2022-12-13 14:39:24,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:24,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350764760] [2022-12-13 14:39:24,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:24,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:24,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,566 INFO L85 PathProgramCache]: Analyzing trace with hash 42148355, now seen corresponding path program 1 times [2022-12-13 14:39:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:24,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133722823] [2022-12-13 14:39:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:24,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:24,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 14:39:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:24,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,600 INFO L85 PathProgramCache]: Analyzing trace with hash 295992764, now seen corresponding path program 1 times [2022-12-13 14:39:24,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:24,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358741953] [2022-12-13 14:39:24,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:24,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:39:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:39:24,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:39:24,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358741953] [2022-12-13 14:39:24,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358741953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:39:24,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:39:24,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:39:24,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054568423] [2022-12-13 14:39:24,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:39:24,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:39:24,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:39:24,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:39:24,678 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:39:24,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:39:24,686 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2022-12-13 14:39:24,686 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2022-12-13 14:39:24,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:39:24,687 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 17 transitions. [2022-12-13 14:39:24,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 14:39:24,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 14:39:24,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2022-12-13 14:39:24,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 14:39:24,688 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 14:39:24,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2022-12-13 14:39:24,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 14:39:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 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 14:39:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 14:39:24,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 14:39:24,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:39:24,691 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 14:39:24,691 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 14:39:24,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-12-13 14:39:24,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 14:39:24,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:39:24,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:39:24,692 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2022-12-13 14:39:24,693 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 14:39:24,693 INFO L748 eck$LassoCheckResult]: Stem: 164#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 156#L20-2 assume !!(main_~x~0#1 > 0); 157#L20 assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 170#L20-2 assume !!(main_~x~0#1 > 0); 169#L20 [2022-12-13 14:39:24,693 INFO L750 eck$LassoCheckResult]: Loop: 169#L20 assume 1 == main_~y~0#1; 160#L21 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 161#L21-2 assume !(0 == 1 + main_~y~0#1);main_#t~nondet1#1 := ~bitwiseOr(main_~y~0#1, 1 + main_~y~0#1);assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || (main_#t~nondet1#1 >= main_~y~0#1 && main_#t~nondet1#1 >= 1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1); 166#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 168#L20-2 assume !!(main_~x~0#1 > 0); 169#L20 [2022-12-13 14:39:24,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,693 INFO L85 PathProgramCache]: Analyzing trace with hash 28700183, now seen corresponding path program 2 times [2022-12-13 14:39:24,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:24,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842004181] [2022-12-13 14:39:24,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:24,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:24,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,704 INFO L85 PathProgramCache]: Analyzing trace with hash 42148355, now seen corresponding path program 2 times [2022-12-13 14:39:24,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:24,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409346382] [2022-12-13 14:39:24,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:24,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:24,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:39:24,717 INFO L85 PathProgramCache]: Analyzing trace with hash 282890669, now seen corresponding path program 1 times [2022-12-13 14:39:24,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:39:24,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060147619] [2022-12-13 14:39:24,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:39:24,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:39:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:39:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:39:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:39:24,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 02:39:24 BoogieIcfgContainer [2022-12-13 14:39:24,808 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 14:39:24,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:39:24,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:39:24,809 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:39:24,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:39:23" (3/4) ... [2022-12-13 14:39:24,812 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:39:24,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:39:24,813 INFO L158 Benchmark]: Toolchain (without parser) took 2122.57ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 109.2MB in the beginning and 123.1MB in the end (delta: -13.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-12-13 14:39:24,813 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:39:24,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.38ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 99.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 14:39:24,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.98ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:39:24,815 INFO L158 Benchmark]: Boogie Preprocessor took 12.83ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 97.4MB in the end (delta: 907.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:39:24,815 INFO L158 Benchmark]: RCFGBuilder took 184.68ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 88.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:39:24,816 INFO L158 Benchmark]: BuchiAutomizer took 1761.58ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 88.2MB in the beginning and 123.1MB in the end (delta: -34.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:39:24,816 INFO L158 Benchmark]: Witness Printer took 3.21ms. Allocated memory is still 172.0MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:39:24,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.38ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 99.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.98ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.83ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 97.4MB in the end (delta: 907.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 184.68ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 88.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1761.58ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 88.2MB in the beginning and 123.1MB in the end (delta: -34.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.21ms. Allocated memory is still 172.0MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function -2 * y + 1 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 20 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq188 hnf94 smp100 dnf166 smp100 tf101 neg96 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 109ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: x=y|(y+1) [21] (Reason bitwiseOr) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;" "assume !!(main_~x~0#1 > 0);" "assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume !!(main_~x~0#1 > 0);" Loop: "assume 1 == main_~y~0#1;" "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);main_#t~nondet1#1 := ~bitwiseOr(main_~y~0#1, 1 + main_~y~0#1);assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || (main_#t~nondet1#1 >= main_~y~0#1 && main_#t~nondet1#1 >= 1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1);" "main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume !!(main_~x~0#1 > 0);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-12-13 14:39:24,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4017b4-a284-401d-9af3-7e8e2611184e/bin/uautomizer-uyxdKDjOR8/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN