./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/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_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-6b4ec56 [2022-11-20 12:03:19,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:03:19,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:03:19,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:03:19,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:03:19,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:03:19,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:03:19,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:03:19,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:03:19,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:03:19,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:03:19,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:03:19,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:03:19,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:03:19,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:03:19,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:03:19,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:03:19,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:03:19,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:03:19,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:03:19,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:03:19,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:03:19,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:03:19,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:03:19,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:03:19,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:03:19,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:03:19,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:03:19,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:03:19,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:03:19,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:03:19,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:03:19,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:03:19,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:03:19,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:03:19,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:03:19,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:03:19,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:03:19,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:03:19,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:03:19,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:03:19,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 12:03:19,364 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:03:19,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:03:19,365 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:03:19,365 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:03:19,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:03:19,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:03:19,367 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:03:19,367 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:03:19,368 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:03:19,368 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:03:19,369 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:03:19,369 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:03:19,369 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:03:19,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:03:19,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:03:19,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:03:19,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:03:19,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:03:19,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:03:19,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:03:19,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:03:19,371 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:03:19,371 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:03:19,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:03:19,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:03:19,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:03:19,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:03:19,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:03:19,374 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:03:19,374 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_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2022-11-20 12:03:19,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:03:19,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:03:19,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:03:19,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:03:19,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:03:19,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2022-11-20 12:03:22,864 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:03:23,076 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:03:23,079 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2022-11-20 12:03:23,089 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/data/112df8010/d117b100c4ce478eafe954ce6ecb5d96/FLAG8e674e6da [2022-11-20 12:03:23,117 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/data/112df8010/d117b100c4ce478eafe954ce6ecb5d96 [2022-11-20 12:03:23,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:03:23,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:03:23,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:03:23,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:03:23,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:03:23,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0063be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23, skipping insertion in model container [2022-11-20 12:03:23,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:03:23,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:03:23,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:03:23,396 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:03:23,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:03:23,425 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:03:23,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23 WrapperNode [2022-11-20 12:03:23,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:03:23,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:03:23,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:03:23,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:03:23,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,461 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-11-20 12:03:23,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:03:23,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:03:23,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:03:23,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:03:23,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,482 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:03:23,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:03:23,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:03:23,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:03:23,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (1/1) ... [2022-11-20 12:03:23,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:23,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:23,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:03:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:03:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:03:23,660 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:03:23,663 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:03:23,752 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:03:23,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:03:23,762 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:03:23,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:03:23 BoogieIcfgContainer [2022-11-20 12:03:23,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:03:23,766 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:03:23,767 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:03:23,771 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:03:23,772 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:03:23,773 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:03:23" (1/3) ... [2022-11-20 12:03:23,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@605a3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:03:23, skipping insertion in model container [2022-11-20 12:03:23,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:03:23,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:23" (2/3) ... [2022-11-20 12:03:23,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@605a3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:03:23, skipping insertion in model container [2022-11-20 12:03:23,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:03:23,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:03:23" (3/3) ... [2022-11-20 12:03:23,779 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wise.c [2022-11-20 12:03:23,873 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:03:23,874 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:03:23,874 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:03:23,874 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:03:23,874 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:03:23,875 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:03:23,875 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:03:23,875 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:03:23,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:03:23,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:23,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:03:23,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:03:23,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 12:03:23,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:03:23,907 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:03:23,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:03:23,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:23,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:03:23,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:03:23,910 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 12:03:23,911 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:03:23,921 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue 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 [2022-11-20 12:03:23,921 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 [2022-11-20 12:03:23,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:23,933 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-20 12:03:23,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:23,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368049480] [2022-11-20 12:03:23,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:23,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:24,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:24,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:24,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:24,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 1 times [2022-11-20 12:03:24,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:24,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23141746] [2022-11-20 12:03:24,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:24,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:24,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:24,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:24,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:24,069 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2022-11-20 12:03:24,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:24,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554264472] [2022-11-20 12:03:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:24,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:24,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:24,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:24,201 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:03:24,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:03:24,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:03:24,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:03:24,202 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:03:24,206 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,206 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:03:24,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:03:24,207 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration1_Loop [2022-11-20 12:03:24,207 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:03:24,207 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:03:24,245 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:24,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:24,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:24,334 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:03:24,335 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:03:24,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:24,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:24,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:24,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:24,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:03:24,395 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:03:24,396 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:03:24,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:24,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:24,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:24,409 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:24,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:24,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:03:24,436 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:03:24,436 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:03:24,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:24,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:24,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:24,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:03:24,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:24,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:24,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:24,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:24,497 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:24,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:03:24,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:24,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:03:24,669 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:03:24,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:24,673 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:03:24,673 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:03:24,673 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:03:24,674 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:03:24,674 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:03:24,674 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,674 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:03:24,674 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:03:24,674 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration1_Loop [2022-11-20 12:03:24,674 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:03:24,674 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:03:24,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:24,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:24,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:24,736 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:03:24,741 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:03:24,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:24,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:24,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:03:24,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:24,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:24,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:24,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:24,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:24,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:03:24,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:03:24,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:03:24,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:24,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:24,802 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:24,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:24,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:03:24,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:24,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:24,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:24,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:24,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:03:24,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:03:24,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:03:24,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:24,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:24,874 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:24,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:24,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:03:24,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:24,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:03:24,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:24,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:24,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:24,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:03:24,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:03:24,918 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:03:24,923 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 12:03:24,924 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 12:03:24,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:24,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:24,948 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:24,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:03:24,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:03:24,951 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 12:03:24,951 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:03:24,952 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 [] [2022-11-20 12:03:24,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-20 12:03:24,964 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 12:03:25,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:25,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:03:25,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:25,049 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 12:03:25,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:03:25,133 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 [2022-11-20 12:03:25,136 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) [2022-11-20 12:03:25,185 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. [2022-11-20 12:03:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:03:25,193 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) [2022-11-20 12:03:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-20 12:03:25,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-20 12:03:25,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:25,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-20 12:03:25,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:25,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-20 12:03:25,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:25,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-11-20 12:03:25,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:25,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 9 states and 12 transitions. [2022-11-20 12:03:25,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 12:03:25,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-20 12:03:25,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-11-20 12:03:25,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:03:25,208 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-20 12:03:25,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-11-20 12:03:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-20 12:03:25,236 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) [2022-11-20 12:03:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-11-20 12:03:25,238 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-20 12:03:25,238 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-20 12:03:25,238 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:03:25,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-11-20 12:03:25,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:25,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:03:25,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:03:25,240 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 12:03:25,240 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:03:25,241 INFO L748 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRY 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 [2022-11-20 12:03:25,241 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 [2022-11-20 12:03:25,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:25,242 INFO L85 PathProgramCache]: Analyzing trace with hash 28693991, now seen corresponding path program 1 times [2022-11-20 12:03:25,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:25,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921544140] [2022-11-20 12:03:25,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:25,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:25,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:25,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:25,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:25,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 2 times [2022-11-20 12:03:25,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:25,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813918084] [2022-11-20 12:03:25,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:25,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:25,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:25,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:25,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1805122026, now seen corresponding path program 1 times [2022-11-20 12:03:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:25,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496788095] [2022-11-20 12:03:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:03:25,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:25,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496788095] [2022-11-20 12:03:25,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496788095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:25,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:25,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:03:25,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033279307] [2022-11-20 12:03:25,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:25,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-20 12:03:25,512 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:03:25,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:03:25,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:03:25,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:03:25,513 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:03:25,513 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:25,513 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:03:25,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:03:25,513 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration2_Loop [2022-11-20 12:03:25,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:03:25,513 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:03:25,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:25,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:25,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:25,602 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:03:25,602 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:03:25,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:25,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:25,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:25,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:25,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:25,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:03:25,644 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:03:25,644 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:03:25,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:25,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:25,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:25,655 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:25,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:25,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:25,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:03:25,701 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:03:25,701 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:03:25,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:25,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:25,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:25,714 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:25,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:25,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:25,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 12:03:25,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:25,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:25,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:25,766 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:25,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:03:25,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:25,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 12:03:25,945 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:03:25,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:25,952 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:03:25,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:03:25,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:03:25,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:03:25,952 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:03:25,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:25,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:03:25,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:03:25,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration2_Loop [2022-11-20 12:03:25,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:03:25,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:03:25,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:25,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:25,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:26,020 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:03:26,021 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:03:26,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:26,024 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:26,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:26,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 12:03:26,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:26,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:26,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:26,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:26,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:03:26,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:03:26,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:03:26,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:26,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:26,083 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:26,087 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 [2022-11-20 12:03:26,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:26,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:26,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:26,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:26,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:03:26,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:03:26,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 12:03:26,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:03:26,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:26,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:26,125 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:26,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:26,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:26,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:03:26,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:26,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:26,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:26,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:03:26,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:03:26,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:03:26,167 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:03:26,172 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 12:03:26,172 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 12:03:26,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:26,174 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:26,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:03:26,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:03:26,188 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 12:03:26,188 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:03:26,188 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 [] [2022-11-20 12:03:26,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-11-20 12:03:26,197 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 12:03:26,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:26,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:03:26,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:26,237 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 12:03:26,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:03:26,271 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 [2022-11-20 12:03:26,271 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) [2022-11-20 12:03:26,286 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. [2022-11-20 12:03:26,286 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 [2022-11-20 12:03:26,287 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) [2022-11-20 12:03:26,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-20 12:03:26,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-20 12:03:26,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:26,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-20 12:03:26,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:26,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-20 12:03:26,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:26,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2022-11-20 12:03:26,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:26,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-11-20 12:03:26,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-20 12:03:26,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-20 12:03:26,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-20 12:03:26,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:03:26,292 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-20 12:03:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-20 12:03:26,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-20 12:03:26,293 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) [2022-11-20 12:03:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-20 12:03:26,294 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-20 12:03:26,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:26,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:03:26,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:03:26,298 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) [2022-11-20 12:03:26,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:26,322 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-11-20 12:03:26,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2022-11-20 12:03:26,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:26,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2022-11-20 12:03:26,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-20 12:03:26,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-20 12:03:26,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-11-20 12:03:26,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:03:26,325 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-20 12:03:26,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-11-20 12:03:26,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 8. [2022-11-20 12:03:26,326 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) [2022-11-20 12:03:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-11-20 12:03:26,326 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-20 12:03:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:03:26,328 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-20 12:03:26,328 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:03:26,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-11-20 12:03:26,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:26,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:03:26,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:03:26,329 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 12:03:26,329 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:03:26,330 INFO L748 eck$LassoCheckResult]: Stem: 177#ULTIMATE.startENTRY 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 [2022-11-20 12:03:26,330 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 [2022-11-20 12:03:26,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:26,330 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2022-11-20 12:03:26,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:26,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061540915] [2022-11-20 12:03:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:26,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:26,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:26,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:26,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:26,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1564, now seen corresponding path program 1 times [2022-11-20 12:03:26,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:26,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183644691] [2022-11-20 12:03:26,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:26,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:26,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:26,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:26,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:26,353 INFO L85 PathProgramCache]: Analyzing trace with hash 889513735, now seen corresponding path program 2 times [2022-11-20 12:03:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:26,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55562164] [2022-11-20 12:03:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:26,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:26,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:26,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:26,389 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:03:26,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:03:26,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:03:26,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:03:26,390 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:03:26,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:03:26,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:03:26,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration3_Loop [2022-11-20 12:03:26,391 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:03:26,391 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:03:26,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:26,399 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:26,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:26,441 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:03:26,441 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:03:26,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:26,443 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:26,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:26,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:26,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:03:26,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:26,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:26,491 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:26,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:03:26,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:26,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 12:03:26,893 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:03:26,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:26,897 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:03:26,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:03:26,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:03:26,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:03:26,898 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:03:26,898 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,898 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:03:26,898 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:03:26,898 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration3_Loop [2022-11-20 12:03:26,898 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:03:26,898 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:03:26,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:26,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:26,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:26,958 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:03:26,959 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:03:26,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:26,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:26,960 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:26,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:26,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 12:03:26,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:26,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:03:26,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:26,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:26,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:26,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:03:26,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:03:27,002 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:03:27,009 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 12:03:27,009 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 12:03:27,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:27,015 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:27,025 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:03:27,025 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 12:03:27,025 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:03:27,025 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 [] [2022-11-20 12:03:27,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 12:03:27,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:27,036 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 12:03:27,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:27,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:03:27,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:27,074 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:03:27,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:03:27,109 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 [2022-11-20 12:03:27,109 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) [2022-11-20 12:03:27,122 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. [2022-11-20 12:03:27,122 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 [2022-11-20 12:03:27,123 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) [2022-11-20 12:03:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-20 12:03:27,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 12:03:27,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:27,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-20 12:03:27,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:27,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-20 12:03:27,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:27,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2022-11-20 12:03:27,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:27,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 10 transitions. [2022-11-20 12:03:27,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 12:03:27,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 12:03:27,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2022-11-20 12:03:27,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:03:27,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-20 12:03:27,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2022-11-20 12:03:27,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-11-20 12:03:27,129 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) [2022-11-20 12:03:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-11-20 12:03:27,129 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-20 12:03:27,129 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-20 12:03:27,129 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:03:27,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-11-20 12:03:27,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:03:27,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:03:27,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:03:27,131 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2022-11-20 12:03:27,131 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:03:27,131 INFO L748 eck$LassoCheckResult]: Stem: 235#ULTIMATE.startENTRY 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 [2022-11-20 12:03:27,132 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 [2022-11-20 12:03:27,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:27,132 INFO L85 PathProgramCache]: Analyzing trace with hash 889513673, now seen corresponding path program 2 times [2022-11-20 12:03:27,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:27,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185511068] [2022-11-20 12:03:27,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:27,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:27,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:27,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:27,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:27,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1564, now seen corresponding path program 2 times [2022-11-20 12:03:27,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:27,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236002942] [2022-11-20 12:03:27,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:27,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:27,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:03:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:03:27,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:03:27,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:27,157 INFO L85 PathProgramCache]: Analyzing trace with hash 124148452, now seen corresponding path program 2 times [2022-11-20 12:03:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:27,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037276255] [2022-11-20 12:03:27,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:03:27,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:27,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037276255] [2022-11-20 12:03:27,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037276255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:27,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:27,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:03:27,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636919931] [2022-11-20 12:03:27,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:27,244 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:03:27,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:03:27,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:03:27,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:03:27,245 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:03:27,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:03:27,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:03:27,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration4_Loop [2022-11-20 12:03:27,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:03:27,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:03:27,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:27,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:27,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:27,289 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:03:27,289 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:03:27,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:27,291 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:27,306 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:27,306 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:27,328 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:03:27,328 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: [] [2022-11-20 12:03:27,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 12:03:27,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:27,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:27,338 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:27,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:27,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:27,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 12:03:27,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:03:27,368 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: [] [2022-11-20 12:03:27,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:27,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:27,379 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:27,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:03:27,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:27,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 12:03:27,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:27,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:27,425 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:27,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:03:27,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:03:27,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 12:03:27,770 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:03:27,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-20 12:03:27,774 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:03:27,774 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:03:27,774 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:03:27,774 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:03:27,774 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:03:27,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,775 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:03:27,775 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:03:27,775 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration4_Loop [2022-11-20 12:03:27,775 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:03:27,775 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:03:27,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:27,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:27,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:03:27,843 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:03:27,844 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:03:27,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:27,845 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:27,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 12:03:27,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:27,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:27,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:27,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:27,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:27,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:03:27,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:03:27,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:03:27,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:27,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:27,902 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:27,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:27,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 12:03:27,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:27,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:27,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:27,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:27,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:03:27,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:03:27,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:03:27,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:27,955 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:27,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:03:27,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:03:27,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:03:27,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:03:27,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:03:27,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:03:27,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:03:27,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:03:27,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 12:03:27,983 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:03:27,998 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 12:03:27,998 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 12:03:27,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:03:27,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:28,002 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:28,003 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:03:28,003 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 12:03:28,004 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:03:28,004 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 [] [2022-11-20 12:03:28,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 12:03:28,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:28,013 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 12:03:28,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:03:28,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,066 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:03:28,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:28,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:28,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:28,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:03:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:03:28,123 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 [2022-11-20 12:03:28,124 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) [2022-11-20 12:03:28,133 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. [2022-11-20 12:03:28,133 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 [2022-11-20 12:03:28,137 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) [2022-11-20 12:03:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2022-11-20 12:03:28,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-20 12:03:28,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:28,138 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:03:28,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:03:28,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,176 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:03:28,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:03:28,213 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 [2022-11-20 12:03:28,214 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) [2022-11-20 12:03:28,228 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. [2022-11-20 12:03:28,228 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 [2022-11-20 12:03:28,230 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) [2022-11-20 12:03:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2022-11-20 12:03:28,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-20 12:03:28,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:28,232 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:03:28,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:03:28,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,278 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:03:28,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:03:28,318 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 [2022-11-20 12:03:28,318 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) [2022-11-20 12:03:28,337 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. [2022-11-20 12:03:28,337 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 [2022-11-20 12:03:28,339 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) [2022-11-20 12:03:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-11-20 12:03:28,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-20 12:03:28,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:28,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-20 12:03:28,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:28,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-20 12:03:28,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:03:28,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2022-11-20 12:03:28,346 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:03:28,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2022-11-20 12:03:28,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 12:03:28,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 12:03:28,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 12:03:28,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:28,347 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:03:28,347 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:03:28,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:28,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:03:28,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:03:28,349 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) [2022-11-20 12:03:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:28,349 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-20 12:03:28,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-20 12:03:28,350 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:03:28,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:03:28,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 12:03:28,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 12:03:28,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 12:03:28,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:28,351 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:03:28,351 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:03:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:03:28,355 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:03:28,359 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 12:03:28,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:03:28,359 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:03:28,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 12:03:28,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:03:28 BoogieIcfgContainer [2022-11-20 12:03:28,373 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:03:28,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:03:28,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:03:28,375 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:03:28,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:03:23" (3/4) ... [2022-11-20 12:03:28,379 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:03:28,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:03:28,380 INFO L158 Benchmark]: Toolchain (without parser) took 5253.83ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 120.8MB in the beginning and 143.7MB in the end (delta: -22.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-20 12:03:28,381 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:03:28,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.39ms. Allocated memory is still 148.9MB. Free memory was 120.8MB in the beginning and 110.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:03:28,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.84ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 912.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:03:28,386 INFO L158 Benchmark]: Boogie Preprocessor took 21.16ms. Allocated memory is still 148.9MB. Free memory was 109.4MB in the beginning and 108.8MB in the end (delta: 581.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:03:28,386 INFO L158 Benchmark]: RCFGBuilder took 278.77ms. Allocated memory is still 148.9MB. Free memory was 108.8MB in the beginning and 99.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 12:03:28,387 INFO L158 Benchmark]: BuchiAutomizer took 4606.80ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 99.8MB in the beginning and 144.8MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:03:28,387 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 188.7MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:03:28,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.39ms. Allocated memory is still 148.9MB. Free memory was 120.8MB in the beginning and 110.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.84ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 912.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.16ms. Allocated memory is still 148.9MB. Free memory was 109.4MB in the beginning and 108.8MB in the end (delta: 581.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.77ms. Allocated memory is still 148.9MB. Free memory was 108.8MB in the beginning and 99.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4606.80ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 99.8MB in the beginning and 144.8MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 188.7MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 4.5s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. 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, 0.1s 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: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 12:03:28,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db970311-e924-4652-9ff5-3aad8efa9daf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE