./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.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_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/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_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/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_5c202ca3-7750-4798-927a-3226625ef3ad/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 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc --- 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 16:08:07,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:08:07,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:08:07,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:08:07,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:08:07,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:08:07,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:08:07,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:08:07,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:08:07,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:08:07,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:08:07,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:08:07,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:08:07,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:08:07,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:08:07,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:08:07,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:08:07,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:08:07,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:08:07,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:08:07,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:08:07,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:08:07,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:08:07,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:08:07,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:08:07,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:08:07,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:08:07,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:08:07,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:08:07,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:08:07,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:08:07,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:08:07,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:08:07,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:08:07,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:08:07,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:08:07,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:08:07,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:08:07,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:08:07,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:08:07,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:08:07,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 16:08:07,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:08:07,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:08:07,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:08:07,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:08:07,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:08:07,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:08:07,447 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:08:07,448 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 16:08:07,448 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 16:08:07,448 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 16:08:07,448 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 16:08:07,448 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 16:08:07,448 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 16:08:07,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:08:07,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:08:07,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:08:07,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:08:07,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 16:08:07,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 16:08:07,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 16:08:07,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:08:07,450 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 16:08:07,450 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:08:07,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 16:08:07,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:08:07,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:08:07,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:08:07,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:08:07,452 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 16:08:07,452 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_5c202ca3-7750-4798-927a-3226625ef3ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2022-12-13 16:08:07,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:08:07,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:08:07,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:08:07,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:08:07,634 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:08:07,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2022-12-13 16:08:10,246 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:08:10,358 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:08:10,359 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2022-12-13 16:08:10,363 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/data/2f56f9e79/948d09ce82944e94a092b6b70507b112/FLAGe4c51ee31 [2022-12-13 16:08:10,374 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/data/2f56f9e79/948d09ce82944e94a092b6b70507b112 [2022-12-13 16:08:10,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:08:10,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:08:10,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:08:10,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:08:10,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:08:10,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79888bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10, skipping insertion in model container [2022-12-13 16:08:10,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:08:10,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:08:10,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:08:10,521 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:08:10,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:08:10,545 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:08:10,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10 WrapperNode [2022-12-13 16:08:10,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:08:10,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:08:10,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:08:10,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:08:10,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,574 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-12-13 16:08:10,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:08:10,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:08:10,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:08:10,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:08:10,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,590 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:08:10,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:08:10,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:08:10,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:08:10,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (1/1) ... [2022-12-13 16:08:10,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:10,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:10,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:10,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 16:08:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:08:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:08:10,725 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:08:10,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:08:10,776 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:08:10,782 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:08:10,782 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 16:08:10,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:10 BoogieIcfgContainer [2022-12-13 16:08:10,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:08:10,785 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 16:08:10,785 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 16:08:10,789 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 16:08:10,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:08:10,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 04:08:10" (1/3) ... [2022-12-13 16:08:10,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f184c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:08:10, skipping insertion in model container [2022-12-13 16:08:10,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:08:10,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:10" (2/3) ... [2022-12-13 16:08:10,791 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f184c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:08:10, skipping insertion in model container [2022-12-13 16:08:10,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:08:10,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:10" (3/3) ... [2022-12-13 16:08:10,792 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wise.c [2022-12-13 16:08:10,840 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 16:08:10,840 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 16:08:10,841 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 16:08:10,841 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 16:08:10,841 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 16:08:10,841 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 16:08:10,841 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 16:08:10,841 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 16:08:10,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:08:10,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:10,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:08:10,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:08:10,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 16:08:10,861 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:08:10,861 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 16:08:10,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:08:10,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:10,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:08:10,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:08:10,862 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 16:08:10,862 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:08:10,867 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L17true assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 2#L19-2true [2022-12-13 16:08:10,868 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2); 9#L19true assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := 1 + main_~x~0#1; 2#L19-2true [2022-12-13 16:08:10,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:10,872 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-12-13 16:08:10,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:10,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116665996] [2022-12-13 16:08:10,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:10,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:10,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:10,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:10,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:10,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 1 times [2022-12-13 16:08:10,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:10,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204224341] [2022-12-13 16:08:10,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:10,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:10,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:10,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:10,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:10,972 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2022-12-13 16:08:10,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:10,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837659937] [2022-12-13 16:08:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:10,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:10,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:10,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:11,050 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:11,051 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:11,051 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:11,051 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:11,051 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 16:08:11,052 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,052 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:11,052 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:11,052 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration1_Loop [2022-12-13 16:08:11,052 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:11,052 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:11,067 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 16:08:11,078 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 16:08:11,081 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 16:08:11,132 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:11,133 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 16:08:11,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 16:08:11,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:11,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:11,166 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:11,166 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:11,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:11,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 16:08:11,174 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:11,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:11,194 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:11,194 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:11,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 16:08:11,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 16:08:11,200 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:11,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:11,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 16:08:11,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,217 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 16:08:11,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 16:08:11,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:11,346 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 16:08:11,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 16:08:11,350 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:11,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:11,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:11,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:11,351 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:08:11,351 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,351 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:11,351 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:11,351 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration1_Loop [2022-12-13 16:08:11,351 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:11,351 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:11,353 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 16:08:11,357 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 16:08:11,360 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 16:08:11,394 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:11,398 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:08:11,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,400 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 16:08:11,402 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 16:08:11,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:11,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:11,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:11,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:11,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:08:11,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:08:11,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:11,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 16:08:11,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,429 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 16:08:11,431 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 16:08:11,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:11,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:11,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:11,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:11,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:08:11,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:08:11,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:11,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 16:08:11,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,454 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 16:08:11,457 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 16:08:11,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:11,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:11,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:11,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:11,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:11,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:11,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:11,472 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:08:11,477 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 16:08:11,477 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 16:08:11,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,516 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 16:08:11,518 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:08:11,518 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 16:08:11,519 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:08:11,519 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-12-13 16:08:11,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 16:08:11,525 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 16:08:11,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:11,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:08:11,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:11,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:08:11,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:11,590 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 16:08:11,614 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 16:08:11,615 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:08:11,648 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 36 transitions. Complement of second has 8 states. [2022-12-13 16:08:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 16:08:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:08:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-12-13 16:08:11,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 2 letters. [2022-12-13 16:08:11,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:11,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 16:08:11,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:11,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 4 letters. [2022-12-13 16:08:11,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:11,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-12-13 16:08:11,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:11,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 9 states and 12 transitions. [2022-12-13 16:08:11,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-12-13 16:08:11,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-12-13 16:08:11,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-12-13 16:08:11,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 16:08:11,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 16:08:11,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-12-13 16:08:11,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-13 16:08:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:08:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-12-13 16:08:11,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 16:08:11,678 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 16:08:11,678 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 16:08:11,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-12-13 16:08:11,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:11,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:08:11,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:08:11,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 16:08:11,679 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:08:11,679 INFO L748 eck$LassoCheckResult]: Stem: 87#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 88#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_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 85#L17 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 86#L19-2 assume !!(main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2); 84#L19 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1; 80#L19-2 [2022-12-13 16:08:11,679 INFO L750 eck$LassoCheckResult]: Loop: 80#L19-2 assume !!(main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2); 81#L19 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := 1 + main_~x~0#1; 80#L19-2 [2022-12-13 16:08:11,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash 28693991, now seen corresponding path program 1 times [2022-12-13 16:08:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:11,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907146326] [2022-12-13 16:08:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:11,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:11,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:11,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:11,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:11,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 2 times [2022-12-13 16:08:11,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:11,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140405926] [2022-12-13 16:08:11,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:11,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:11,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:11,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:11,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:11,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1805122026, now seen corresponding path program 1 times [2022-12-13 16:08:11,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:11,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088931584] [2022-12-13 16:08:11,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:11,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:08:11,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:08:11,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088931584] [2022-12-13 16:08:11,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088931584] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:08:11,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:08:11,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:08:11,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511567513] [2022-12-13 16:08:11,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:08:11,785 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:11,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:11,785 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:11,785 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:11,785 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 16:08:11,785 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,786 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:11,786 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:11,786 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration2_Loop [2022-12-13 16:08:11,786 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:11,786 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:11,787 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 16:08:11,790 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 16:08:11,792 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 16:08:11,823 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:11,823 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 16:08:11,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,824 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 16:08:11,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:11,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:11,843 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:11,843 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:11,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 16:08:11,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,848 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 16:08:11,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:11,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:11,869 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:11,869 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:11,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:11,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,874 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 16:08:11,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:11,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:11,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 16:08:11,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:11,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:11,893 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:11,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 16:08:11,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 16:08:11,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 16:08:11,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:12,028 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 16:08:12,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:12,031 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:12,031 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:12,031 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:12,031 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:12,031 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:08:12,031 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,031 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:12,031 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:12,031 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration2_Loop [2022-12-13 16:08:12,031 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:12,032 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:12,033 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 16:08:12,036 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 16:08:12,038 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 16:08:12,061 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:12,061 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:08:12,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,062 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 16:08:12,064 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 16:08:12,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:12,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:12,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:12,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:12,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:08:12,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:08:12,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:12,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 16:08:12,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,085 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 16:08:12,087 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 16:08:12,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:12,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:12,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:12,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:12,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:08:12,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:08:12,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:12,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:12,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,107 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 16:08:12,110 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 16:08:12,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:12,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:12,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:12,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:12,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:12,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:12,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:12,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:08:12,127 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 16:08:12,127 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 16:08:12,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,128 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 16:08:12,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:08:12,132 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 16:08:12,132 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:08:12,132 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-12-13 16:08:12,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 16:08:12,136 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 16:08:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:12,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:08:12,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:12,160 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:08:12,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:12,184 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 16:08:12,185 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 16:08:12,185 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 16:08:12,195 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 13 states and 18 transitions. Complement of second has 5 states. [2022-12-13 16:08:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 16:08:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 16:08:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-12-13 16:08:12,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 16:08:12,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:12,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 16:08:12,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:12,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 16:08:12,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:12,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2022-12-13 16:08:12,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:12,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-12-13 16:08:12,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 16:08:12,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 16:08:12,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-12-13 16:08:12,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 16:08:12,199 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-12-13 16:08:12,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-12-13 16:08:12,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:08:12,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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 16:08:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-12-13 16:08:12,200 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-12-13 16:08:12,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:08:12,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:08:12,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:08:12,204 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 16:08:12,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:08:12,220 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-12-13 16:08:12,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2022-12-13 16:08:12,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:12,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2022-12-13 16:08:12,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 16:08:12,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 16:08:12,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-12-13 16:08:12,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 16:08:12,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-12-13 16:08:12,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-12-13 16:08:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 8. [2022-12-13 16:08:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:08:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-12-13 16:08:12,223 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-12-13 16:08:12,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:08:12,224 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-12-13 16:08:12,224 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 16:08:12,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-12-13 16:08:12,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:12,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:08:12,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:08:12,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 16:08:12,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:08:12,225 INFO L748 eck$LassoCheckResult]: Stem: 177#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 175#L17 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 176#L19-2 assume !!(main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2); 172#L19 [2022-12-13 16:08:12,225 INFO L750 eck$LassoCheckResult]: Loop: 172#L19 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1; 171#L19-2 assume !!(main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2); 172#L19 [2022-12-13 16:08:12,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:12,226 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2022-12-13 16:08:12,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:12,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723805893] [2022-12-13 16:08:12,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:12,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:12,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:12,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1564, now seen corresponding path program 1 times [2022-12-13 16:08:12,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:12,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007763187] [2022-12-13 16:08:12,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:12,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:12,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:12,244 INFO L85 PathProgramCache]: Analyzing trace with hash 889513735, now seen corresponding path program 2 times [2022-12-13 16:08:12,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:12,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554135704] [2022-12-13 16:08:12,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:12,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:12,271 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:12,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:12,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:12,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:12,271 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 16:08:12,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:12,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:12,271 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration3_Loop [2022-12-13 16:08:12,271 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:12,271 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:12,272 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 16:08:12,277 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 16:08:12,279 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 16:08:12,298 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:12,298 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 16:08:12,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,299 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 16:08:12,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:12,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:12,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 16:08:12,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,316 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 16:08:12,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 16:08:12,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:12,622 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 16:08:12,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 16:08:12,625 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:12,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:12,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:12,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:12,625 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:08:12,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:12,625 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:12,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration3_Loop [2022-12-13 16:08:12,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:12,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:12,626 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 16:08:12,629 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 16:08:12,631 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 16:08:12,653 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:12,653 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:08:12,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,654 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 16:08:12,656 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 16:08:12,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:12,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:12,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:12,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:12,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:12,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:12,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:12,669 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:08:12,673 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 16:08:12,673 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 16:08:12,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,674 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 16:08:12,676 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:08:12,676 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 16:08:12,676 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:08:12,676 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-12-13 16:08:12,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 16:08:12,680 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 16:08:12,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:12,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:08:12,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:12,700 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 16:08:12,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:12,722 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 16:08:12,722 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 16:08:12,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:08:12,729 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 15 transitions. Complement of second has 5 states. [2022-12-13 16:08:12,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 16:08:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:08:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-12-13 16:08:12,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 16:08:12,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:12,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 16:08:12,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:12,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2022-12-13 16:08:12,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:12,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2022-12-13 16:08:12,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:12,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 10 transitions. [2022-12-13 16:08:12,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-12-13 16:08:12,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-12-13 16:08:12,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2022-12-13 16:08:12,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 16:08:12,731 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-12-13 16:08:12,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2022-12-13 16:08:12,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-12-13 16:08:12,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 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 16:08:12,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-12-13 16:08:12,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-12-13 16:08:12,732 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-12-13 16:08:12,732 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 16:08:12,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-12-13 16:08:12,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:08:12,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:08:12,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:08:12,732 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2022-12-13 16:08:12,732 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:08:12,733 INFO L748 eck$LassoCheckResult]: Stem: 235#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 236#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_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 234#L17 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 230#L19-2 assume !!(main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2); 231#L19 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := 1 + main_~x~0#1; 232#L19-2 assume !!(main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2); 233#L19 [2022-12-13 16:08:12,733 INFO L750 eck$LassoCheckResult]: Loop: 233#L19 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1; 237#L19-2 assume !!(main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2); 233#L19 [2022-12-13 16:08:12,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:12,733 INFO L85 PathProgramCache]: Analyzing trace with hash 889513673, now seen corresponding path program 2 times [2022-12-13 16:08:12,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:12,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210675926] [2022-12-13 16:08:12,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:12,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:12,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:12,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1564, now seen corresponding path program 2 times [2022-12-13 16:08:12,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:12,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704482816] [2022-12-13 16:08:12,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:12,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:12,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:12,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:12,745 INFO L85 PathProgramCache]: Analyzing trace with hash 124148452, now seen corresponding path program 2 times [2022-12-13 16:08:12,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:12,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046981579] [2022-12-13 16:08:12,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:12,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:08:12,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:08:12,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046981579] [2022-12-13 16:08:12,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046981579] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:08:12,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:08:12,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:08:12,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270545279] [2022-12-13 16:08:12,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:08:12,803 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:12,803 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:12,803 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:12,803 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:12,803 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 16:08:12,803 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,803 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:12,803 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:12,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration4_Loop [2022-12-13 16:08:12,804 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:12,804 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:12,805 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 16:08:12,807 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 16:08:12,809 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 16:08:12,834 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:12,834 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 16:08:12,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,835 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 16:08:12,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:12,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:12,855 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:12,855 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:12,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 16:08:12,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,859 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 16:08:12,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:12,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:12,878 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:12,878 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:12,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 16:08:12,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,882 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 16:08:12,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:12,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:12,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 16:08:12,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:12,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:12,898 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:12,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 16:08:12,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 16:08:12,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:13,200 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 16:08:13,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:13,203 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:13,203 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:13,203 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:13,203 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:13,203 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:08:13,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:13,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:13,204 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:13,204 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration4_Loop [2022-12-13 16:08:13,204 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:13,204 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:13,204 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 16:08:13,207 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 16:08:13,208 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 16:08:13,229 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:13,229 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:08:13,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:13,230 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:13,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 16:08:13,232 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 16:08:13,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:13,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:13,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:13,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:13,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:08:13,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:08:13,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:13,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:13,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:13,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:13,252 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:13,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 16:08:13,254 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 16:08:13,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:13,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:13,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:13,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:13,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:08:13,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:08:13,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:13,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 16:08:13,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:13,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:13,273 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:13,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 16:08:13,275 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 16:08:13,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:13,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:13,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:13,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:13,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:13,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:13,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:13,288 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:08:13,291 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 16:08:13,291 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 16:08:13,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:13,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:13,293 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:13,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 16:08:13,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:08:13,294 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 16:08:13,294 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:08:13,295 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-12-13 16:08:13,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 16:08:13,298 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 16:08:13,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:13,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:08:13,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:13,315 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 16:08:13,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:13,329 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 16:08:13,330 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 16:08:13,330 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3 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 16:08:13,334 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3. 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) Result 9 states and 10 transitions. Complement of second has 3 states. [2022-12-13 16:08:13,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-12-13 16:08:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. 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 16:08:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2022-12-13 16:08:13,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 16:08:13,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:13,335 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 16:08:13,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:13,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:08:13,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:13,357 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 16:08:13,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:13,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 16:08:13,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 16:08:13,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 16:08:13,376 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 16:08:13,376 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 16:08:13,376 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3 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 16:08:13,381 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3. 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) Result 9 states and 10 transitions. Complement of second has 3 states. [2022-12-13 16:08:13,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-12-13 16:08:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. 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 16:08:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2022-12-13 16:08:13,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 16:08:13,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:13,382 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 16:08:13,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:13,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:08:13,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:13,400 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 16:08:13,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:13,414 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 16:08:13,414 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 16:08:13,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3 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 16:08:13,421 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3. 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) Result 10 states and 11 transitions. Complement of second has 4 states. [2022-12-13 16:08:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 16:08:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. 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 16:08:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-12-13 16:08:13,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 16:08:13,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:13,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2022-12-13 16:08:13,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:13,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2022-12-13 16:08:13,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:13,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2022-12-13 16:08:13,425 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:08:13,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2022-12-13 16:08:13,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 16:08:13,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 16:08:13,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 16:08:13,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:08:13,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:08:13,425 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:08:13,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:08:13,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:08:13,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:08:13,426 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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 16:08:13,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:08:13,426 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-12-13 16:08:13,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-12-13 16:08:13,426 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:08:13,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 16:08:13,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 16:08:13,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 16:08:13,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 16:08:13,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:08:13,427 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:08:13,427 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:08:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:08:13,427 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:08:13,428 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 16:08:13,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:08:13,428 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:08:13,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 16:08:13,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 04:08:13 BoogieIcfgContainer [2022-12-13 16:08:13,435 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 16:08:13,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:08:13,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:08:13,435 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:08:13,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:10" (3/4) ... [2022-12-13 16:08:13,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:08:13,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:08:13,439 INFO L158 Benchmark]: Toolchain (without parser) took 3061.54ms. Allocated memory is still 148.9MB. Free memory was 92.4MB in the beginning and 108.2MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:08:13,439 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 67.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:08:13,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.69ms. Allocated memory is still 148.9MB. Free memory was 92.2MB in the beginning and 120.5MB in the end (delta: -28.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 16:08:13,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.57ms. Allocated memory is still 148.9MB. Free memory was 120.5MB in the beginning and 119.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:08:13,440 INFO L158 Benchmark]: Boogie Preprocessor took 17.04ms. Allocated memory is still 148.9MB. Free memory was 119.2MB in the beginning and 118.4MB in the end (delta: 753.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:13,441 INFO L158 Benchmark]: RCFGBuilder took 191.71ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 110.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 16:08:13,441 INFO L158 Benchmark]: BuchiAutomizer took 2649.87ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 109.3MB in the end (delta: 766.7kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2022-12-13 16:08:13,441 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 108.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:13,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 67.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.69ms. Allocated memory is still 148.9MB. Free memory was 92.2MB in the beginning and 120.5MB in the end (delta: -28.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.57ms. Allocated memory is still 148.9MB. Free memory was 120.5MB in the beginning and 119.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.04ms. Allocated memory is still 148.9MB. Free memory was 119.2MB in the beginning and 118.4MB in the end (delta: 753.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 191.71ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 110.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2649.87ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 109.3MB in the end (delta: 766.7kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 108.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function y + -1 * x and consists of 5 locations. One deterministic module has affine ranking function y + -1 * x and consists of 3 locations. One deterministic module has affine ranking function -1 * y + x and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 38 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax200 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 16:08:13,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c202ca3-7750-4798-927a-3226625ef3ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE