./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:12:58,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:12:58,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:12:58,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:12:58,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:12:58,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:12:58,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:12:58,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:12:58,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:12:58,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:12:58,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:12:58,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:12:58,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:12:58,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:12:58,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:12:58,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:12:58,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:12:58,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:12:58,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:12:58,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:12:58,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:12:58,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:12:58,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:12:58,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:12:58,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:12:58,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:12:58,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:12:58,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:12:58,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:12:58,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:12:58,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:12:58,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:12:58,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:12:58,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:12:58,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:12:58,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:12:58,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:12:58,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:12:58,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:12:58,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:12:58,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:12:58,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 15:12:58,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:12:58,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:12:58,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:12:58,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:12:58,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:12:58,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:12:58,477 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:12:58,477 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 15:12:58,477 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 15:12:58,478 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 15:12:58,479 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 15:12:58,480 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 15:12:58,480 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 15:12:58,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:12:58,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:12:58,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:12:58,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:12:58,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:12:58,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:12:58,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 15:12:58,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 15:12:58,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 15:12:58,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:12:58,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:12:58,484 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 15:12:58,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:12:58,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 15:12:58,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:12:58,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:12:58,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:12:58,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:12:58,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:12:58,491 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 15:12:58,491 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_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a [2021-11-22 15:12:58,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:12:58,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:12:58,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:12:58,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:12:58,864 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:12:58,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/systemc/toy1.cil.c [2021-11-22 15:12:58,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/data/dcaec24ff/32646face62c4cb5a956f89927545751/FLAG0d2c2d0fd [2021-11-22 15:12:59,561 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:12:59,562 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/sv-benchmarks/c/systemc/toy1.cil.c [2021-11-22 15:12:59,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/data/dcaec24ff/32646face62c4cb5a956f89927545751/FLAG0d2c2d0fd [2021-11-22 15:12:59,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/data/dcaec24ff/32646face62c4cb5a956f89927545751 [2021-11-22 15:12:59,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:12:59,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:12:59,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:12:59,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:12:59,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:12:59,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:12:59" (1/1) ... [2021-11-22 15:12:59,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5d6b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:12:59, skipping insertion in model container [2021-11-22 15:12:59,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:12:59" (1/1) ... [2021-11-22 15:12:59,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:12:59,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:13:00,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/sv-benchmarks/c/systemc/toy1.cil.c[698,711] [2021-11-22 15:13:00,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:13:00,293 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:13:00,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/sv-benchmarks/c/systemc/toy1.cil.c[698,711] [2021-11-22 15:13:00,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:13:00,368 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:13:00,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00 WrapperNode [2021-11-22 15:13:00,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:13:00,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:13:00,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:13:00,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:13:00,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,451 INFO L137 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 363 [2021-11-22 15:13:00,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:13:00,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:13:00,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:13:00,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:13:00,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:13:00,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:13:00,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:13:00,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:13:00,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (1/1) ... [2021-11-22 15:13:00,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:00,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:00,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:00,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 15:13:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:13:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:13:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:13:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:13:00,703 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:13:00,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:13:01,334 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:13:01,346 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:13:01,349 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-22 15:13:01,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:13:01 BoogieIcfgContainer [2021-11-22 15:13:01,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:13:01,359 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 15:13:01,359 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 15:13:01,363 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 15:13:01,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:13:01,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 03:12:59" (1/3) ... [2021-11-22 15:13:01,367 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e5fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 03:13:01, skipping insertion in model container [2021-11-22 15:13:01,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:13:01,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:00" (2/3) ... [2021-11-22 15:13:01,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e5fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 03:13:01, skipping insertion in model container [2021-11-22 15:13:01,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:13:01,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:13:01" (3/3) ... [2021-11-22 15:13:01,370 INFO L388 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2021-11-22 15:13:01,450 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 15:13:01,450 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 15:13:01,450 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 15:13:01,450 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 15:13:01,451 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 15:13:01,451 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 15:13:01,451 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 15:13:01,451 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 15:13:01,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:01,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2021-11-22 15:13:01,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:01,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:01,522 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:01,522 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:01,522 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 15:13:01,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:01,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2021-11-22 15:13:01,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:01,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:01,538 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:01,538 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:01,547 INFO L791 eck$LassoCheckResult]: Stem: 123#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 21#L416true assume !(1 == ~c_req_up~0); 112#L416-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 62#L427-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 71#L432-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 33#L437-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 45#L442-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 108#L447-1true assume !(0 == ~e_f~0); 36#L452-1true assume !(0 == ~e_g~0); 9#L457-1true assume !(0 == ~e_e~0); 120#L462-1true assume !(0 == ~e_c~0); 25#L467-1true assume !(0 == ~e_wl~0); 101#L472-1true assume !(1 == ~wl_pc~0); 125#L484true assume !(2 == ~wl_pc~0); 94#L485true assume !(1 == ~c1_pc~0); 26#L495true assume !(1 == ~c2_pc~0); 75#L504true assume !(1 == ~wb_pc~0); 98#L513true assume !(1 == ~e_c~0); 17#L522-1true assume !(1 == ~e_e~0); 106#L527-1true assume !(1 == ~e_f~0); 38#L532-1true assume !(1 == ~e_g~0); 85#L537-1true assume !(1 == ~e_c~0); 56#L542-1true assume !(1 == ~e_wl~0); 103#L684-1true [2021-11-22 15:13:01,548 INFO L793 eck$LassoCheckResult]: Loop: 103#L684-1true assume !false; 134#L554true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 19#L389true assume false; 78#L405true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 24#L560true assume !(1 == ~c_req_up~0); 100#L560-2true start_simulation_~kernel_st~0#1 := 3; 109#L572true assume 0 == ~e_f~0;~e_f~0 := 1; 23#L572-2true assume 0 == ~e_g~0;~e_g~0 := 1; 49#L577-1true assume !(0 == ~e_e~0); 34#L582-1true assume 0 == ~e_c~0;~e_c~0 := 1; 42#L587-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 57#L592-1true assume !(1 == ~wl_pc~0); 50#L604true assume !(2 == ~wl_pc~0); 58#L605true assume !(1 == ~c1_pc~0); 8#L615true assume !(1 == ~c2_pc~0); 47#L624true assume !(1 == ~wb_pc~0); 127#L633true assume 1 == ~e_c~0;~r_st~0 := 0; 88#L642-1true assume 1 == ~e_e~0;~e_e~0 := 2; 27#L647-1true assume 1 == ~e_f~0;~e_f~0 := 2; 13#L652-1true assume !(1 == ~e_g~0); 89#L657-1true assume 1 == ~e_c~0;~e_c~0 := 2; 81#L662-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 104#L667-1true assume 0 == ~wl_st~0; 103#L684-1true [2021-11-22 15:13:01,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:01,564 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2021-11-22 15:13:01,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:01,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124157049] [2021-11-22 15:13:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:01,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:01,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:01,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124157049] [2021-11-22 15:13:01,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124157049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:01,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:01,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:01,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556395462] [2021-11-22 15:13:01,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:01,924 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:01,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:01,931 INFO L85 PathProgramCache]: Analyzing trace with hash -696614142, now seen corresponding path program 1 times [2021-11-22 15:13:01,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:01,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784993293] [2021-11-22 15:13:01,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:01,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:01,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:01,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784993293] [2021-11-22 15:13:01,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784993293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:01,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:01,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:13:01,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432028351] [2021-11-22 15:13:01,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:01,983 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 15:13:01,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:02,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:13:02,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:13:02,030 INFO L87 Difference]: Start difference. First operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:02,054 INFO L93 Difference]: Finished difference Result 132 states and 226 transitions. [2021-11-22 15:13:02,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:13:02,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 226 transitions. [2021-11-22 15:13:02,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-22 15:13:02,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 126 states and 220 transitions. [2021-11-22 15:13:02,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2021-11-22 15:13:02,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2021-11-22 15:13:02,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 220 transitions. [2021-11-22 15:13:02,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:13:02,087 INFO L681 BuchiCegarLoop]: Abstraction has 126 states and 220 transitions. [2021-11-22 15:13:02,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 220 transitions. [2021-11-22 15:13:02,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-11-22 15:13:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.746031746031746) internal successors, (220), 125 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 220 transitions. [2021-11-22 15:13:02,127 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 220 transitions. [2021-11-22 15:13:02,128 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 220 transitions. [2021-11-22 15:13:02,128 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 15:13:02,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 220 transitions. [2021-11-22 15:13:02,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-22 15:13:02,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:02,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:02,135 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,135 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,135 INFO L791 eck$LassoCheckResult]: Stem: 400#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 353#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 309#L416 assume !(1 == ~c_req_up~0); 311#L416-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 369#L427-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 370#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 334#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 335#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 352#L447-1 assume !(0 == ~e_f~0); 340#L452-1 assume !(0 == ~e_g~0); 287#L457-1 assume !(0 == ~e_e~0); 288#L462-1 assume !(0 == ~e_c~0); 319#L467-1 assume !(0 == ~e_wl~0); 320#L472-1 assume !(1 == ~wl_pc~0); 395#L484 assume !(2 == ~wl_pc~0); 391#L485 assume !(1 == ~c1_pc~0); 321#L495 assume !(1 == ~c2_pc~0); 323#L504 assume !(1 == ~wb_pc~0); 379#L513 assume !(1 == ~e_c~0); 300#L522-1 assume !(1 == ~e_e~0); 301#L527-1 assume !(1 == ~e_f~0); 341#L532-1 assume !(1 == ~e_g~0); 342#L537-1 assume !(1 == ~e_c~0); 363#L542-1 assume !(1 == ~e_wl~0); 278#L684-1 [2021-11-22 15:13:02,136 INFO L793 eck$LassoCheckResult]: Loop: 278#L684-1 assume !false; 397#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 305#L389 assume !false; 306#L307 assume !(0 == ~wl_st~0); 358#L311 assume !(0 == ~c1_st~0); 359#L314 assume !(0 == ~c2_st~0); 279#L317 assume !(0 == ~wb_st~0); 281#L320 assume !(0 == ~r_st~0); 382#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 316#L560 assume !(1 == ~c_req_up~0); 318#L560-2 start_simulation_~kernel_st~0#1 := 3; 394#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 314#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 315#L577-1 assume !(0 == ~e_e~0); 336#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 337#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 349#L592-1 assume !(1 == ~wl_pc~0); 357#L604 assume !(2 == ~wl_pc~0); 308#L605 assume !(1 == ~c1_pc~0); 284#L615 assume !(1 == ~c2_pc~0); 286#L624 assume !(1 == ~wb_pc~0); 355#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 388#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 324#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 294#L652-1 assume !(1 == ~e_g~0); 295#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 385#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 386#L667-1 assume 0 == ~wl_st~0; 278#L684-1 [2021-11-22 15:13:02,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2021-11-22 15:13:02,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120531899] [2021-11-22 15:13:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:02,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:02,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120531899] [2021-11-22 15:13:02,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120531899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:02,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:02,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:02,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441334044] [2021-11-22 15:13:02,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:02,199 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:02,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1432587772, now seen corresponding path program 1 times [2021-11-22 15:13:02,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515669003] [2021-11-22 15:13:02,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:02,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:02,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515669003] [2021-11-22 15:13:02,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515669003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:02,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:02,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:02,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895655010] [2021-11-22 15:13:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:02,251 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 15:13:02,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:02,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:02,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:02,253 INFO L87 Difference]: Start difference. First operand 126 states and 220 transitions. cyclomatic complexity: 95 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:02,282 INFO L93 Difference]: Finished difference Result 126 states and 219 transitions. [2021-11-22 15:13:02,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:02,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 219 transitions. [2021-11-22 15:13:02,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-22 15:13:02,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 219 transitions. [2021-11-22 15:13:02,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2021-11-22 15:13:02,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2021-11-22 15:13:02,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 219 transitions. [2021-11-22 15:13:02,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:13:02,299 INFO L681 BuchiCegarLoop]: Abstraction has 126 states and 219 transitions. [2021-11-22 15:13:02,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 219 transitions. [2021-11-22 15:13:02,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-11-22 15:13:02,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7380952380952381) internal successors, (219), 125 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 219 transitions. [2021-11-22 15:13:02,313 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 219 transitions. [2021-11-22 15:13:02,313 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 219 transitions. [2021-11-22 15:13:02,313 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-22 15:13:02,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 219 transitions. [2021-11-22 15:13:02,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-22 15:13:02,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:02,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:02,318 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,318 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,319 INFO L791 eck$LassoCheckResult]: Stem: 659#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 612#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 568#L416 assume !(1 == ~c_req_up~0); 570#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 628#L427-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 629#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 593#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 594#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 611#L447-1 assume !(0 == ~e_f~0); 599#L452-1 assume !(0 == ~e_g~0); 546#L457-1 assume !(0 == ~e_e~0); 547#L462-1 assume !(0 == ~e_c~0); 578#L467-1 assume !(0 == ~e_wl~0); 579#L472-1 assume !(1 == ~wl_pc~0); 654#L484 assume !(2 == ~wl_pc~0); 650#L485 assume !(1 == ~c1_pc~0); 580#L495 assume !(1 == ~c2_pc~0); 582#L504 assume !(1 == ~wb_pc~0); 638#L513 assume !(1 == ~e_c~0); 559#L522-1 assume !(1 == ~e_e~0); 560#L527-1 assume !(1 == ~e_f~0); 600#L532-1 assume !(1 == ~e_g~0); 601#L537-1 assume !(1 == ~e_c~0); 622#L542-1 assume !(1 == ~e_wl~0); 537#L684-1 [2021-11-22 15:13:02,319 INFO L793 eck$LassoCheckResult]: Loop: 537#L684-1 assume !false; 656#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 564#L389 assume !false; 565#L307 assume !(0 == ~wl_st~0); 617#L311 assume !(0 == ~c1_st~0); 618#L314 assume !(0 == ~c2_st~0); 538#L317 assume !(0 == ~wb_st~0); 540#L320 assume !(0 == ~r_st~0); 641#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 575#L560 assume !(1 == ~c_req_up~0); 577#L560-2 start_simulation_~kernel_st~0#1 := 3; 653#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 573#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 574#L577-1 assume !(0 == ~e_e~0); 595#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 596#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 608#L592-1 assume !(1 == ~wl_pc~0); 616#L604 assume !(2 == ~wl_pc~0); 567#L605 assume !(1 == ~c1_pc~0); 543#L615 assume !(1 == ~c2_pc~0); 545#L624 assume !(1 == ~wb_pc~0); 614#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 647#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 583#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 553#L652-1 assume !(1 == ~e_g~0); 554#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 644#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 645#L667-1 assume 0 == ~wl_st~0; 537#L684-1 [2021-11-22 15:13:02,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2021-11-22 15:13:02,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947796919] [2021-11-22 15:13:02,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:02,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:02,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947796919] [2021-11-22 15:13:02,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947796919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:02,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:02,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:02,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633211615] [2021-11-22 15:13:02,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:02,376 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:02,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1432587772, now seen corresponding path program 2 times [2021-11-22 15:13:02,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730171619] [2021-11-22 15:13:02,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:02,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:02,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730171619] [2021-11-22 15:13:02,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730171619] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:02,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:02,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:02,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859232069] [2021-11-22 15:13:02,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:02,421 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 15:13:02,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:02,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:02,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:02,422 INFO L87 Difference]: Start difference. First operand 126 states and 219 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:02,445 INFO L93 Difference]: Finished difference Result 126 states and 218 transitions. [2021-11-22 15:13:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:02,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 218 transitions. [2021-11-22 15:13:02,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-22 15:13:02,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 218 transitions. [2021-11-22 15:13:02,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2021-11-22 15:13:02,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2021-11-22 15:13:02,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 218 transitions. [2021-11-22 15:13:02,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:13:02,454 INFO L681 BuchiCegarLoop]: Abstraction has 126 states and 218 transitions. [2021-11-22 15:13:02,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 218 transitions. [2021-11-22 15:13:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-11-22 15:13:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 125 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 218 transitions. [2021-11-22 15:13:02,464 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 218 transitions. [2021-11-22 15:13:02,464 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 218 transitions. [2021-11-22 15:13:02,464 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-22 15:13:02,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 218 transitions. [2021-11-22 15:13:02,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-22 15:13:02,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:02,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:02,468 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,468 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,468 INFO L791 eck$LassoCheckResult]: Stem: 918#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 871#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 827#L416 assume !(1 == ~c_req_up~0); 829#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 887#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 888#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 854#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 855#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 870#L447-1 assume !(0 == ~e_f~0); 858#L452-1 assume !(0 == ~e_g~0); 805#L457-1 assume !(0 == ~e_e~0); 806#L462-1 assume !(0 == ~e_c~0); 837#L467-1 assume !(0 == ~e_wl~0); 838#L472-1 assume !(1 == ~wl_pc~0); 913#L484 assume !(2 == ~wl_pc~0); 909#L485 assume !(1 == ~c1_pc~0); 839#L495 assume !(1 == ~c2_pc~0); 841#L504 assume !(1 == ~wb_pc~0); 897#L513 assume !(1 == ~e_c~0); 818#L522-1 assume !(1 == ~e_e~0); 819#L527-1 assume !(1 == ~e_f~0); 859#L532-1 assume !(1 == ~e_g~0); 860#L537-1 assume !(1 == ~e_c~0); 881#L542-1 assume !(1 == ~e_wl~0); 796#L684-1 [2021-11-22 15:13:02,469 INFO L793 eck$LassoCheckResult]: Loop: 796#L684-1 assume !false; 915#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 823#L389 assume !false; 824#L307 assume !(0 == ~wl_st~0); 876#L311 assume !(0 == ~c1_st~0); 877#L314 assume !(0 == ~c2_st~0); 797#L317 assume !(0 == ~wb_st~0); 799#L320 assume !(0 == ~r_st~0); 900#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 834#L560 assume !(1 == ~c_req_up~0); 836#L560-2 start_simulation_~kernel_st~0#1 := 3; 912#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 832#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 833#L577-1 assume !(0 == ~e_e~0); 852#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 853#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 867#L592-1 assume 1 == ~wl_pc~0; 882#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 826#L605 assume !(1 == ~c1_pc~0); 802#L615 assume !(1 == ~c2_pc~0); 804#L624 assume !(1 == ~wb_pc~0); 873#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 906#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 842#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 812#L652-1 assume !(1 == ~e_g~0); 813#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 903#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 904#L667-1 assume 0 == ~wl_st~0; 796#L684-1 [2021-11-22 15:13:02,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2021-11-22 15:13:02,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840627338] [2021-11-22 15:13:02,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:02,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:02,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840627338] [2021-11-22 15:13:02,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840627338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:02,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:02,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:02,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104005714] [2021-11-22 15:13:02,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:02,513 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 1 times [2021-11-22 15:13:02,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646026758] [2021-11-22 15:13:02,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:02,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:02,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646026758] [2021-11-22 15:13:02,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646026758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:02,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:02,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:02,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761472714] [2021-11-22 15:13:02,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:02,560 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 15:13:02,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:02,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:02,562 INFO L87 Difference]: Start difference. First operand 126 states and 218 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:02,595 INFO L93 Difference]: Finished difference Result 126 states and 217 transitions. [2021-11-22 15:13:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:02,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 217 transitions. [2021-11-22 15:13:02,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-22 15:13:02,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 217 transitions. [2021-11-22 15:13:02,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2021-11-22 15:13:02,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2021-11-22 15:13:02,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 217 transitions. [2021-11-22 15:13:02,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:13:02,609 INFO L681 BuchiCegarLoop]: Abstraction has 126 states and 217 transitions. [2021-11-22 15:13:02,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 217 transitions. [2021-11-22 15:13:02,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-11-22 15:13:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7222222222222223) internal successors, (217), 125 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 217 transitions. [2021-11-22 15:13:02,629 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 217 transitions. [2021-11-22 15:13:02,629 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 217 transitions. [2021-11-22 15:13:02,651 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-22 15:13:02,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 217 transitions. [2021-11-22 15:13:02,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-22 15:13:02,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:02,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:02,658 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,660 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,661 INFO L791 eck$LassoCheckResult]: Stem: 1177#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1086#L416 assume !(1 == ~c_req_up~0); 1088#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1146#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1147#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1113#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1114#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1129#L447-1 assume !(0 == ~e_f~0); 1117#L452-1 assume !(0 == ~e_g~0); 1064#L457-1 assume !(0 == ~e_e~0); 1065#L462-1 assume !(0 == ~e_c~0); 1096#L467-1 assume !(0 == ~e_wl~0); 1097#L472-1 assume !(1 == ~wl_pc~0); 1172#L484 assume !(2 == ~wl_pc~0); 1168#L485 assume !(1 == ~c1_pc~0); 1098#L495 assume !(1 == ~c2_pc~0); 1100#L504 assume !(1 == ~wb_pc~0); 1156#L513 assume !(1 == ~e_c~0); 1077#L522-1 assume !(1 == ~e_e~0); 1078#L527-1 assume !(1 == ~e_f~0); 1118#L532-1 assume !(1 == ~e_g~0); 1119#L537-1 assume !(1 == ~e_c~0); 1140#L542-1 assume !(1 == ~e_wl~0); 1055#L684-1 [2021-11-22 15:13:02,661 INFO L793 eck$LassoCheckResult]: Loop: 1055#L684-1 assume !false; 1174#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1082#L389 assume !false; 1083#L307 assume !(0 == ~wl_st~0); 1135#L311 assume !(0 == ~c1_st~0); 1136#L314 assume !(0 == ~c2_st~0); 1056#L317 assume !(0 == ~wb_st~0); 1058#L320 assume !(0 == ~r_st~0); 1159#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1093#L560 assume !(1 == ~c_req_up~0); 1095#L560-2 start_simulation_~kernel_st~0#1 := 3; 1171#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 1091#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1092#L577-1 assume !(0 == ~e_e~0); 1111#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1112#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1126#L592-1 assume 1 == ~wl_pc~0; 1141#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1085#L605 assume !(1 == ~c1_pc~0); 1061#L615 assume !(1 == ~c2_pc~0); 1063#L624 assume !(1 == ~wb_pc~0); 1132#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 1165#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1101#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1071#L652-1 assume !(1 == ~e_g~0); 1072#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1162#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1163#L667-1 assume 0 == ~wl_st~0; 1055#L684-1 [2021-11-22 15:13:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,663 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2021-11-22 15:13:02,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334796431] [2021-11-22 15:13:02,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:02,683 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:02,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:02,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,727 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 2 times [2021-11-22 15:13:02,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167178784] [2021-11-22 15:13:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:02,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:02,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167178784] [2021-11-22 15:13:02,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167178784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:02,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:02,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:02,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024707053] [2021-11-22 15:13:02,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:02,771 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 15:13:02,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:02,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:02,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:02,774 INFO L87 Difference]: Start difference. First operand 126 states and 217 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:02,849 INFO L93 Difference]: Finished difference Result 160 states and 279 transitions. [2021-11-22 15:13:02,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:02,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 279 transitions. [2021-11-22 15:13:02,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2021-11-22 15:13:02,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 279 transitions. [2021-11-22 15:13:02,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2021-11-22 15:13:02,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2021-11-22 15:13:02,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 279 transitions. [2021-11-22 15:13:02,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:13:02,865 INFO L681 BuchiCegarLoop]: Abstraction has 160 states and 279 transitions. [2021-11-22 15:13:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 279 transitions. [2021-11-22 15:13:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2021-11-22 15:13:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 1.74375) internal successors, (279), 159 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 279 transitions. [2021-11-22 15:13:02,887 INFO L704 BuchiCegarLoop]: Abstraction has 160 states and 279 transitions. [2021-11-22 15:13:02,888 INFO L587 BuchiCegarLoop]: Abstraction has 160 states and 279 transitions. [2021-11-22 15:13:02,888 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-22 15:13:02,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 279 transitions. [2021-11-22 15:13:02,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2021-11-22 15:13:02,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:02,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:02,894 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,895 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:02,895 INFO L791 eck$LassoCheckResult]: Stem: 1473#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1425#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1378#L416 assume !(1 == ~c_req_up~0); 1380#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1441#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1442#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1406#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1407#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1424#L447-1 assume !(0 == ~e_f~0); 1410#L452-1 assume 0 == ~e_g~0;~e_g~0 := 1; 1411#L457-1 assume !(0 == ~e_e~0); 1502#L462-1 assume !(0 == ~e_c~0); 1501#L467-1 assume !(0 == ~e_wl~0); 1500#L472-1 assume !(1 == ~wl_pc~0); 1498#L484 assume !(2 == ~wl_pc~0); 1496#L485 assume !(1 == ~c1_pc~0); 1391#L495 assume !(1 == ~c2_pc~0); 1393#L504 assume !(1 == ~wb_pc~0); 1451#L513 assume !(1 == ~e_c~0); 1369#L522-1 assume !(1 == ~e_e~0); 1370#L527-1 assume !(1 == ~e_f~0); 1412#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1413#L537-1 assume !(1 == ~e_c~0); 1435#L542-1 assume !(1 == ~e_wl~0); 1347#L684-1 [2021-11-22 15:13:02,897 INFO L793 eck$LassoCheckResult]: Loop: 1347#L684-1 assume !false; 1470#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1374#L389 assume !false; 1375#L307 assume !(0 == ~wl_st~0); 1430#L311 assume !(0 == ~c1_st~0); 1431#L314 assume !(0 == ~c2_st~0); 1348#L317 assume !(0 == ~wb_st~0); 1350#L320 assume !(0 == ~r_st~0); 1454#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1386#L560 assume !(1 == ~c_req_up~0); 1388#L560-2 start_simulation_~kernel_st~0#1 := 3; 1466#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 1383#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1384#L577-1 assume !(0 == ~e_e~0); 1503#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1420#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1421#L592-1 assume !(1 == ~wl_pc~0); 1429#L604 assume !(2 == ~wl_pc~0); 1377#L605 assume !(1 == ~c1_pc~0); 1353#L615 assume !(1 == ~c2_pc~0); 1355#L624 assume !(1 == ~wb_pc~0); 1427#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 1461#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1394#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1363#L652-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1364#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1457#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1458#L667-1 assume 0 == ~wl_st~0; 1347#L684-1 [2021-11-22 15:13:02,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1535466835, now seen corresponding path program 1 times [2021-11-22 15:13:02,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642963154] [2021-11-22 15:13:02,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:02,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:02,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642963154] [2021-11-22 15:13:02,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642963154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:02,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:02,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:13:02,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113639081] [2021-11-22 15:13:02,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:02,969 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:02,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:02,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1432528190, now seen corresponding path program 1 times [2021-11-22 15:13:02,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:02,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862557549] [2021-11-22 15:13:02,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:02,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:03,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:03,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862557549] [2021-11-22 15:13:03,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862557549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:03,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:03,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:13:03,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791449830] [2021-11-22 15:13:03,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:03,002 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 15:13:03,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:13:03,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:13:03,004 INFO L87 Difference]: Start difference. First operand 160 states and 279 transitions. cyclomatic complexity: 120 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:03,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:03,126 INFO L93 Difference]: Finished difference Result 226 states and 380 transitions. [2021-11-22 15:13:03,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:13:03,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 380 transitions. [2021-11-22 15:13:03,132 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2021-11-22 15:13:03,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 226 states and 380 transitions. [2021-11-22 15:13:03,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 226 [2021-11-22 15:13:03,136 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 226 [2021-11-22 15:13:03,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 226 states and 380 transitions. [2021-11-22 15:13:03,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:13:03,137 INFO L681 BuchiCegarLoop]: Abstraction has 226 states and 380 transitions. [2021-11-22 15:13:03,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states and 380 transitions. [2021-11-22 15:13:03,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2021-11-22 15:13:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 215 states have (on average 1.697674418604651) internal successors, (365), 214 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 365 transitions. [2021-11-22 15:13:03,150 INFO L704 BuchiCegarLoop]: Abstraction has 215 states and 365 transitions. [2021-11-22 15:13:03,150 INFO L587 BuchiCegarLoop]: Abstraction has 215 states and 365 transitions. [2021-11-22 15:13:03,151 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-22 15:13:03,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 365 transitions. [2021-11-22 15:13:03,153 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2021-11-22 15:13:03,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:03,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:03,155 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:03,155 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:03,155 INFO L791 eck$LassoCheckResult]: Stem: 1869#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1818#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1776#L416 assume !(1 == ~c_req_up~0); 1778#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1834#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1835#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1801#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1802#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1817#L447-1 assume !(0 == ~e_f~0); 1808#L452-1 assume !(0 == ~e_g~0); 1752#L457-1 assume !(0 == ~e_e~0); 1753#L462-1 assume !(0 == ~e_c~0); 1784#L467-1 assume !(0 == ~e_wl~0); 1785#L472-1 assume !(1 == ~wl_pc~0); 1862#L484 assume !(2 == ~wl_pc~0); 1858#L485 assume !(1 == ~c1_pc~0); 1786#L495 assume !(1 == ~c2_pc~0); 1788#L504 assume !(1 == ~wb_pc~0); 1844#L513 assume !(1 == ~e_c~0); 1876#L522-1 assume !(1 == ~e_e~0); 1874#L527-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1873#L532-1 assume !(1 == ~e_g~0); 1806#L537-1 assume !(1 == ~e_c~0); 1828#L542-1 assume !(1 == ~e_wl~0); 1746#L684-1 [2021-11-22 15:13:03,156 INFO L793 eck$LassoCheckResult]: Loop: 1746#L684-1 assume !false; 1864#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1770#L389 assume !false; 1771#L307 assume !(0 == ~wl_st~0); 1823#L311 assume !(0 == ~c1_st~0); 1824#L314 assume !(0 == ~c2_st~0); 1742#L317 assume !(0 == ~wb_st~0); 1744#L320 assume !(0 == ~r_st~0); 1848#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1781#L560 assume !(1 == ~c_req_up~0); 1783#L560-2 start_simulation_~kernel_st~0#1 := 3; 1860#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 1779#L572-2 assume !(0 == ~e_g~0); 1780#L577-1 assume !(0 == ~e_e~0); 1799#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1800#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1814#L592-1 assume 1 == ~wl_pc~0; 1829#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1773#L605 assume !(1 == ~c1_pc~0); 1749#L615 assume !(1 == ~c2_pc~0); 1751#L624 assume !(1 == ~wb_pc~0); 1820#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 1870#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1872#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1871#L652-1 assume !(1 == ~e_g~0); 1760#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1851#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1852#L667-1 assume 0 == ~wl_st~0; 1746#L684-1 [2021-11-22 15:13:03,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:03,157 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2021-11-22 15:13:03,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:03,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143064570] [2021-11-22 15:13:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:03,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:03,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:03,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143064570] [2021-11-22 15:13:03,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143064570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:03,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:03,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:13:03,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910168108] [2021-11-22 15:13:03,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:03,200 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:03,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:03,200 INFO L85 PathProgramCache]: Analyzing trace with hash -137740303, now seen corresponding path program 1 times [2021-11-22 15:13:03,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:03,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677545046] [2021-11-22 15:13:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:03,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:03,209 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:03,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:03,619 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:13:03,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:13:03,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:13:03,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:13:03,621 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 15:13:03,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:03,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:13:03,622 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:13:03,622 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2021-11-22 15:13:03,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:13:03,622 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:13:03,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:03,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,046 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:13:04,046 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 15:13:04,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:04,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:04,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 15:13:04,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:04,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:04,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:04,092 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:04,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:04,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:04,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:04,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:04,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 15:13:04,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:04,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:04,204 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:04,205 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:04,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:04,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:04,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:04,257 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:04,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:04,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:04,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 15:13:04,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:04,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:04,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:04,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:04,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 15:13:04,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:04,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 15:13:04,359 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-22 15:13:04,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:04,398 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:13:04,398 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:13:04,398 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:13:04,399 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:13:04,399 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 15:13:04,399 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:04,399 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:13:04,399 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:13:04,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2021-11-22 15:13:04,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:13:04,399 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:13:04,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:04,795 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:13:04,800 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 15:13:04,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:04,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:04,803 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:04,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:04,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:04,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:04,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:04,821 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:04,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:04,824 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:04,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:04,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 15:13:04,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:04,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:04,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:04,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:04,886 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:04,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:04,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:04,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:04,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:04,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:04,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:04,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:04,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:04,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 15:13:04,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 15:13:04,928 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-22 15:13:04,929 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-22 15:13:04,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:04,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:04,933 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:04,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 15:13:04,940 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-22 15:13:04,940 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 15:13:04,941 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2021-11-22 15:13:04,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 15:13:04,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:04,987 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-22 15:13:05,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:05,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:13:05,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:13:05,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:05,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 15:13:05,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:13:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:05,397 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-22 15:13:05,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 215 states and 365 transitions. cyclomatic complexity: 152 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:05,524 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 215 states and 365 transitions. cyclomatic complexity: 152. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 758 states and 1283 transitions. Complement of second has 5 states. [2021-11-22 15:13:05,529 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 [2021-11-22 15:13:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2021-11-22 15:13:05,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2021-11-22 15:13:05,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:05,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2021-11-22 15:13:05,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:05,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2021-11-22 15:13:05,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:05,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 758 states and 1283 transitions. [2021-11-22 15:13:05,553 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 531 [2021-11-22 15:13:05,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 758 states to 758 states and 1283 transitions. [2021-11-22 15:13:05,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 571 [2021-11-22 15:13:05,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 577 [2021-11-22 15:13:05,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 758 states and 1283 transitions. [2021-11-22 15:13:05,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:05,567 INFO L681 BuchiCegarLoop]: Abstraction has 758 states and 1283 transitions. [2021-11-22 15:13:05,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states and 1283 transitions. [2021-11-22 15:13:05,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 575. [2021-11-22 15:13:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 575 states have (on average 1.6956521739130435) internal successors, (975), 574 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 975 transitions. [2021-11-22 15:13:05,599 INFO L704 BuchiCegarLoop]: Abstraction has 575 states and 975 transitions. [2021-11-22 15:13:05,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:05,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:13:05,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:13:05,606 INFO L87 Difference]: Start difference. First operand 575 states and 975 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:05,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:05,733 INFO L93 Difference]: Finished difference Result 1195 states and 1962 transitions. [2021-11-22 15:13:05,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:13:05,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1195 states and 1962 transitions. [2021-11-22 15:13:05,750 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 732 [2021-11-22 15:13:05,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1195 states to 1195 states and 1962 transitions. [2021-11-22 15:13:05,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 818 [2021-11-22 15:13:05,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 818 [2021-11-22 15:13:05,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1195 states and 1962 transitions. [2021-11-22 15:13:05,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:05,767 INFO L681 BuchiCegarLoop]: Abstraction has 1195 states and 1962 transitions. [2021-11-22 15:13:05,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states and 1962 transitions. [2021-11-22 15:13:05,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1174. [2021-11-22 15:13:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1174 states have (on average 1.6507666098807496) internal successors, (1938), 1173 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1938 transitions. [2021-11-22 15:13:05,807 INFO L704 BuchiCegarLoop]: Abstraction has 1174 states and 1938 transitions. [2021-11-22 15:13:05,807 INFO L587 BuchiCegarLoop]: Abstraction has 1174 states and 1938 transitions. [2021-11-22 15:13:05,808 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-22 15:13:05,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1174 states and 1938 transitions. [2021-11-22 15:13:05,818 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 730 [2021-11-22 15:13:05,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:05,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:05,819 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:05,820 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:05,820 INFO L791 eck$LassoCheckResult]: Stem: 4948#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 4814#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 4729#L416 assume !(1 == ~c_req_up~0); 4731#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 4988#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 4987#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 4986#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 4985#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 4984#L447-1 assume !(0 == ~e_f~0); 4983#L452-1 assume !(0 == ~e_g~0); 4982#L457-1 assume !(0 == ~e_e~0); 4981#L462-1 assume 0 == ~e_c~0;~e_c~0 := 1; 4748#L467-1 assume !(0 == ~e_wl~0); 4749#L472-1 assume !(1 == ~wl_pc~0); 4929#L484 assume !(2 == ~wl_pc~0); 4919#L485 assume !(1 == ~c1_pc~0); 4899#L495 assume !(1 == ~c2_pc~0); 4881#L504 assume !(1 == ~wb_pc~0); 4882#L513 assume !(1 == ~e_c~0); 4972#L522-1 assume !(1 == ~e_e~0); 4969#L527-1 assume !(1 == ~e_f~0); 4966#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 4792#L537-1 assume !(1 == ~e_c~0); 5089#L542-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 4669#L684-1 [2021-11-22 15:13:05,820 INFO L793 eck$LassoCheckResult]: Loop: 4669#L684-1 assume !false; 5325#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 5322#L389 assume !false; 5319#L307 assume !(0 == ~wl_st~0); 5316#L311 assume !(0 == ~c1_st~0); 5312#L314 assume !(0 == ~c2_st~0); 5313#L317 assume !(0 == ~wb_st~0); 5302#L320 assume !(0 == ~r_st~0); 5298#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 5299#L560 assume !(1 == ~c_req_up~0); 5282#L560-2 start_simulation_~kernel_st~0#1 := 3; 5283#L572 assume !(0 == ~e_f~0); 5690#L572-2 assume !(0 == ~e_g~0); 5689#L577-1 assume !(0 == ~e_e~0); 5683#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 4779#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 5680#L592-1 assume 1 == ~wl_pc~0; 5681#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 5829#L605 assume !(1 == ~c1_pc~0); 5418#L615 assume !(1 == ~c2_pc~0); 5257#L624 assume !(1 == ~wb_pc~0); 5826#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 5825#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 5824#L647-1 assume !(1 == ~e_f~0); 5246#L652-1 assume !(1 == ~e_g~0); 4701#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 4894#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 4895#L667-1 assume 0 == ~wl_st~0; 4669#L684-1 [2021-11-22 15:13:05,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:05,821 INFO L85 PathProgramCache]: Analyzing trace with hash 842409169, now seen corresponding path program 1 times [2021-11-22 15:13:05,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:05,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882848412] [2021-11-22 15:13:05,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:05,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:05,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:05,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882848412] [2021-11-22 15:13:05,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882848412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:05,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:05,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:13:05,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122648118] [2021-11-22 15:13:05,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:05,855 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:05,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:05,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1724241163, now seen corresponding path program 1 times [2021-11-22 15:13:05,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:05,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935063714] [2021-11-22 15:13:05,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:05,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:05,862 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:05,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:06,204 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:13:06,204 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:13:06,204 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:13:06,204 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:13:06,204 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 15:13:06,204 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:06,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:13:06,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:13:06,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration8_Loop [2021-11-22 15:13:06,205 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:13:06,205 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:13:06,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:06,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:13:06,569 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 15:13:06,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:06,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:06,572 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:06,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:06,580 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:06,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 15:13:06,602 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:06,602 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:06,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:06,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:06,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:06,650 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:06,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:06,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:06,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 15:13:06,688 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:06,688 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:06,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-22 15:13:06,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:06,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:06,724 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:06,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 15:13:06,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:06,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:06,742 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:06,743 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:06,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:06,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:06,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:06,768 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:06,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-22 15:13:06,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:06,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:06,798 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:06,798 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:06,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-22 15:13:06,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:06,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:06,823 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:06,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-22 15:13:06,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:06,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:06,835 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:06,835 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:06,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-22 15:13:06,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:06,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:06,860 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:06,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-22 15:13:06,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:06,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:06,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:06,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:06,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:06,938 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:06,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-22 15:13:06,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 15:13:06,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:06,971 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-22 15:13:07,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:07,012 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:13:07,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:13:07,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:13:07,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:13:07,012 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 15:13:07,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:07,012 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:13:07,012 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:13:07,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration8_Loop [2021-11-22 15:13:07,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:13:07,013 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:13:07,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:07,421 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:13:07,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 15:13:07,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:07,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:07,423 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:07,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:07,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:07,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:07,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:07,450 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:07,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:07,455 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:07,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:07,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-22 15:13:07,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:07,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:07,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:07,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:07,518 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:07,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-22 15:13:07,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:07,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:07,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:07,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:07,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:07,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:07,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:07,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:07,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:07,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:07,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:07,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:07,563 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:07,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-22 15:13:07,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:07,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:07,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:07,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:07,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:07,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:07,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:07,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:07,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:07,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:07,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:07,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:07,615 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:07,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-22 15:13:07,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:07,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:07,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:07,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:07,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:07,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:07,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:07,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:07,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:07,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:07,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:07,704 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:07,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-22 15:13:07,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:07,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:07,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:07,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:07,723 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:07,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:07,724 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:07,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:07,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:07,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:07,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:07,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:07,754 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:07,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-22 15:13:07,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:07,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:07,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:07,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:07,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:07,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:07,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:07,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:07,783 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 15:13:07,788 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-22 15:13:07,788 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-22 15:13:07,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:07,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:07,792 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:07,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-22 15:13:07,794 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 15:13:07,795 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-22 15:13:07,795 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 15:13:07,795 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2021-11-22 15:13:07,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:07,820 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-22 15:13:07,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:07,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:13:07,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:13:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:07,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 15:13:07,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:13:08,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:08,172 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-22 15:13:08,172 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1174 states and 1938 transitions. cyclomatic complexity: 776 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:08,242 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1174 states and 1938 transitions. cyclomatic complexity: 776. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 1955 states and 3238 transitions. Complement of second has 5 states. [2021-11-22 15:13:08,242 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 [2021-11-22 15:13:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2021-11-22 15:13:08,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 24 letters. Loop has 28 letters. [2021-11-22 15:13:08,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:08,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 52 letters. Loop has 28 letters. [2021-11-22 15:13:08,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:08,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 24 letters. Loop has 56 letters. [2021-11-22 15:13:08,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:08,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1955 states and 3238 transitions. [2021-11-22 15:13:08,274 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1128 [2021-11-22 15:13:08,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1955 states to 1955 states and 3238 transitions. [2021-11-22 15:13:08,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1206 [2021-11-22 15:13:08,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1215 [2021-11-22 15:13:08,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1955 states and 3238 transitions. [2021-11-22 15:13:08,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:08,300 INFO L681 BuchiCegarLoop]: Abstraction has 1955 states and 3238 transitions. [2021-11-22 15:13:08,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states and 3238 transitions. [2021-11-22 15:13:08,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1008. [2021-11-22 15:13:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1008 states have (on average 1.6547619047619047) internal successors, (1668), 1007 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1668 transitions. [2021-11-22 15:13:08,339 INFO L704 BuchiCegarLoop]: Abstraction has 1008 states and 1668 transitions. [2021-11-22 15:13:08,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:13:08,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:13:08,340 INFO L87 Difference]: Start difference. First operand 1008 states and 1668 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:08,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:08,431 INFO L93 Difference]: Finished difference Result 1032 states and 1681 transitions. [2021-11-22 15:13:08,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:13:08,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1032 states and 1681 transitions. [2021-11-22 15:13:08,445 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 579 [2021-11-22 15:13:08,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1032 states to 1032 states and 1681 transitions. [2021-11-22 15:13:08,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 659 [2021-11-22 15:13:08,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 659 [2021-11-22 15:13:08,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1032 states and 1681 transitions. [2021-11-22 15:13:08,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:08,460 INFO L681 BuchiCegarLoop]: Abstraction has 1032 states and 1681 transitions. [2021-11-22 15:13:08,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states and 1681 transitions. [2021-11-22 15:13:08,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 942. [2021-11-22 15:13:08,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 942 states have (on average 1.6358811040339702) internal successors, (1541), 941 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1541 transitions. [2021-11-22 15:13:08,490 INFO L704 BuchiCegarLoop]: Abstraction has 942 states and 1541 transitions. [2021-11-22 15:13:08,491 INFO L587 BuchiCegarLoop]: Abstraction has 942 states and 1541 transitions. [2021-11-22 15:13:08,491 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-22 15:13:08,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 942 states and 1541 transitions. [2021-11-22 15:13:08,498 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 579 [2021-11-22 15:13:08,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:08,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:08,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:08,500 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:08,501 INFO L791 eck$LassoCheckResult]: Stem: 10268#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 10153#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 10077#L416 assume !(1 == ~c_req_up~0); 10079#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 10258#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 10274#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 10119#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 10120#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 10253#L447-1 assume !(0 == ~e_f~0); 10129#L452-1 assume !(0 == ~e_g~0); 10130#L457-1 assume !(0 == ~e_e~0); 10264#L462-1 assume !(0 == ~e_c~0); 10265#L467-1 assume !(0 == ~e_wl~0); 10248#L472-1 assume !(1 == ~wl_pc~0); 10249#L484 assume !(2 == ~wl_pc~0); 10241#L485 assume !(1 == ~c1_pc~0); 10225#L495 assume !(1 == ~c2_pc~0); 10208#L504 assume !(1 == ~wb_pc~0); 10209#L513 assume !(1 == ~e_c~0); 10277#L522-1 assume !(1 == ~e_e~0); 10276#L527-1 assume !(1 == ~e_f~0); 10275#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 10132#L537-1 assume !(1 == ~e_c~0); 10174#L542-1 assume !(1 == ~e_wl~0); 10175#L684-1 assume !false; 10716#L554 [2021-11-22 15:13:08,501 INFO L793 eck$LassoCheckResult]: Loop: 10716#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 10717#L389 assume !false; 10712#L307 assume !(0 == ~wl_st~0); 10713#L311 assume !(0 == ~c1_st~0); 10708#L314 assume !(0 == ~c2_st~0); 10709#L317 assume !(0 == ~wb_st~0); 10702#L320 assume !(0 == ~r_st~0); 10704#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 10698#L560 assume !(1 == ~c_req_up~0); 10699#L560-2 start_simulation_~kernel_st~0#1 := 3; 10931#L572 assume !(0 == ~e_f~0); 10930#L572-2 assume !(0 == ~e_g~0); 10929#L577-1 assume !(0 == ~e_e~0); 10928#L582-1 assume !(0 == ~e_c~0); 10927#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 10926#L592-1 assume 1 == ~wl_pc~0; 10924#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 10921#L605 assume !(1 == ~c1_pc~0); 10920#L615 assume !(1 == ~c2_pc~0); 10918#L624 assume !(1 == ~wb_pc~0); 10916#L633 assume !(1 == ~e_c~0); 10915#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 10753#L647-1 assume !(1 == ~e_f~0); 10750#L652-1 assume !(1 == ~e_g~0); 10050#L657-1 assume !(1 == ~e_c~0); 10746#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10726#L667-1 assume 0 == ~wl_st~0; 10724#L684-1 assume !false; 10716#L554 [2021-11-22 15:13:08,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:08,502 INFO L85 PathProgramCache]: Analyzing trace with hash -666236546, now seen corresponding path program 1 times [2021-11-22 15:13:08,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:08,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951933883] [2021-11-22 15:13:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:08,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:08,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:08,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951933883] [2021-11-22 15:13:08,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951933883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:08,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:08,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:13:08,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888475246] [2021-11-22 15:13:08,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:08,562 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:08,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1464581643, now seen corresponding path program 1 times [2021-11-22 15:13:08,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:08,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659028614] [2021-11-22 15:13:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:08,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:08,572 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:08,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:08,888 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:13:08,888 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:13:08,888 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:13:08,888 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:13:08,889 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 15:13:08,889 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:08,889 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:13:08,889 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:13:08,889 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration9_Loop [2021-11-22 15:13:08,889 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:13:08,890 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:13:08,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:08,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,317 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:13:09,317 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 15:13:09,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:09,328 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:09,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:09,331 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:09,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-22 15:13:09,364 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:09,364 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:09,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:09,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:09,410 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:09,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:09,416 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:09,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-22 15:13:09,444 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:09,444 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:09,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:09,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:09,492 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:09,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:09,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:09,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-22 15:13:09,516 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:09,516 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet6#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:09,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:09,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:09,562 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:09,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:09,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:09,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-22 15:13:09,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:09,588 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:09,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:09,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:09,634 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:09,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:09,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:09,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-22 15:13:09,660 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:09,660 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:09,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:09,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:09,706 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:09,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:09,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:09,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-22 15:13:09,736 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:13:09,736 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:13:09,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:09,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:09,784 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:09,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:13:09,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:09,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-22 15:13:09,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:09,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:09,872 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:09,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 15:13:09,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:13:09,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-22 15:13:09,952 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-22 15:13:09,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:09,960 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:13:09,960 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:13:09,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:13:09,960 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:13:09,960 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 15:13:09,960 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:09,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:13:09,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:13:09,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration9_Loop [2021-11-22 15:13:09,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:13:09,961 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:13:09,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:09,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:13:10,305 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:13:10,305 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 15:13:10,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,310 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-22 15:13:10,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:10,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:10,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,382 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-22 15:13:10,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,400 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:10,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,401 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:10,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,436 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-22 15:13:10,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:10,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:10,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-22 15:13:10,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,474 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,508 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:10,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,509 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:10,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-22 15:13:10,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,572 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,585 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:10,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,586 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:10,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-22 15:13:10,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,641 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,653 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:10,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,654 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:10,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-22 15:13:10,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,716 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,727 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:10,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,729 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:10,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-22 15:13:10,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,776 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,788 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 15:13:10,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,789 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 15:13:10,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-22 15:13:10,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,841 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:10,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:10,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-22 15:13:10,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,904 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-22 15:13:10,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:10,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:10,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:10,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:10,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:13:10,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:10,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:10,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:10,980 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:10,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 15:13:10,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:13:10,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:13:10,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:13:10,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:13:10,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:13:11,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:13:11,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:13:11,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-22 15:13:11,011 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 15:13:11,016 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-22 15:13:11,016 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-22 15:13:11,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:13:11,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:13:11,018 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:13:11,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-22 15:13:11,020 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 15:13:11,020 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-22 15:13:11,020 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 15:13:11,020 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -2*~e_e~0 + 3 Supporting invariants [] [2021-11-22 15:13:11,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-22 15:13:11,056 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-22 15:13:11,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:11,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:13:11,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:13:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:11,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 15:13:11,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:13:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:11,422 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-22 15:13:11,422 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 942 states and 1541 transitions. cyclomatic complexity: 608 Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:11,480 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 942 states and 1541 transitions. cyclomatic complexity: 608. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 2635 states and 4302 transitions. Complement of second has 5 states. [2021-11-22 15:13:11,481 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 [2021-11-22 15:13:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2021-11-22 15:13:11,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 25 letters. Loop has 28 letters. [2021-11-22 15:13:11,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:11,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 53 letters. Loop has 28 letters. [2021-11-22 15:13:11,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:11,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 25 letters. Loop has 56 letters. [2021-11-22 15:13:11,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:13:11,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2635 states and 4302 transitions. [2021-11-22 15:13:11,554 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1122 [2021-11-22 15:13:11,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:11,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2635 states to 2635 states and 4302 transitions. [2021-11-22 15:13:11,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1202 [2021-11-22 15:13:11,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1223 [2021-11-22 15:13:11,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2635 states and 4302 transitions. [2021-11-22 15:13:11,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:11,610 INFO L681 BuchiCegarLoop]: Abstraction has 2635 states and 4302 transitions. [2021-11-22 15:13:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states and 4302 transitions. [2021-11-22 15:13:11,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2614. [2021-11-22 15:13:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2614 states, 2614 states have (on average 1.632364192807957) internal successors, (4267), 2613 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 4267 transitions. [2021-11-22 15:13:11,701 INFO L704 BuchiCegarLoop]: Abstraction has 2614 states and 4267 transitions. [2021-11-22 15:13:11,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:11,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:13:11,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:13:11,702 INFO L87 Difference]: Start difference. First operand 2614 states and 4267 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:11,815 INFO L93 Difference]: Finished difference Result 3358 states and 5390 transitions. [2021-11-22 15:13:11,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:13:11,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3358 states and 5390 transitions. [2021-11-22 15:13:11,856 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1296 [2021-11-22 15:13:11,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3358 states to 3358 states and 5390 transitions. [2021-11-22 15:13:11,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1360 [2021-11-22 15:13:11,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1360 [2021-11-22 15:13:11,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3358 states and 5390 transitions. [2021-11-22 15:13:11,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:11,895 INFO L681 BuchiCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2021-11-22 15:13:11,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states and 5390 transitions. [2021-11-22 15:13:11,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 3358. [2021-11-22 15:13:11,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3358 states, 3358 states have (on average 1.6051220964860036) internal successors, (5390), 3357 states have internal predecessors, (5390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 5390 transitions. [2021-11-22 15:13:11,993 INFO L704 BuchiCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2021-11-22 15:13:11,993 INFO L587 BuchiCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2021-11-22 15:13:11,993 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-22 15:13:11,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3358 states and 5390 transitions. [2021-11-22 15:13:12,021 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1296 [2021-11-22 15:13:12,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:12,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:12,024 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:12,024 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:12,024 INFO L791 eck$LassoCheckResult]: Stem: 20025#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 19885#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 19809#L416 assume !(1 == ~c_req_up~0); 19811#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 19925#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 19926#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 19946#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 19883#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 19884#L447-1 assume !(0 == ~e_f~0); 20045#L452-1 assume !(0 == ~e_g~0); 19769#L457-1 assume !(0 == ~e_e~0); 19770#L462-1 assume !(0 == ~e_c~0); 19825#L467-1 assume !(0 == ~e_wl~0); 19826#L472-1 assume !(1 == ~wl_pc~0); 20040#L484 assume !(2 == ~wl_pc~0); 19982#L485 assume !(1 == ~c1_pc~0); 19827#L495 assume !(1 == ~c2_pc~0); 19829#L504 assume !(1 == ~wb_pc~0); 19951#L513 assume !(1 == ~e_c~0); 19986#L522-1 assume !(1 == ~e_e~0); 20000#L527-1 assume !(1 == ~e_f~0); 19863#L532-1 assume !(1 == ~e_g~0); 19864#L537-1 assume !(1 == ~e_c~0); 19911#L542-1 assume !(1 == ~e_wl~0); 19912#L684-1 assume !false; 20589#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 21512#L389 [2021-11-22 15:13:12,025 INFO L793 eck$LassoCheckResult]: Loop: 21512#L389 assume !false; 22367#L307 assume 0 == ~wl_st~0; 22354#L320-1 assume !(0 == ~wl_st~0); 22631#L329 assume !(0 == ~c1_st~0); 22497#L344 assume !(0 == ~c2_st~0); 22493#L359 assume !(0 == ~wb_st~0); 22489#L374 assume !(0 == ~r_st~0); 21512#L389 [2021-11-22 15:13:12,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:12,025 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2021-11-22 15:13:12,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:12,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137088913] [2021-11-22 15:13:12,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:12,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:12,037 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:12,066 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:12,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:12,069 INFO L85 PathProgramCache]: Analyzing trace with hash 129447733, now seen corresponding path program 1 times [2021-11-22 15:13:12,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:12,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550785550] [2021-11-22 15:13:12,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:12,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:12,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:12,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550785550] [2021-11-22 15:13:12,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550785550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:12,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:12,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:12,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216971021] [2021-11-22 15:13:12,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:12,095 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 15:13:12,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:12,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:12,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:12,096 INFO L87 Difference]: Start difference. First operand 3358 states and 5390 transitions. cyclomatic complexity: 2068 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) [2021-11-22 15:13:12,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:12,158 INFO L93 Difference]: Finished difference Result 5264 states and 8290 transitions. [2021-11-22 15:13:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:12,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5264 states and 8290 transitions. [2021-11-22 15:13:12,194 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2044 [2021-11-22 15:13:12,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5264 states to 5264 states and 8290 transitions. [2021-11-22 15:13:12,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2110 [2021-11-22 15:13:12,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2110 [2021-11-22 15:13:12,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5264 states and 8290 transitions. [2021-11-22 15:13:12,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:12,245 INFO L681 BuchiCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2021-11-22 15:13:12,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states and 8290 transitions. [2021-11-22 15:13:12,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5264. [2021-11-22 15:13:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5264 states have (on average 1.5748480243161094) internal successors, (8290), 5263 states have internal predecessors, (8290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 8290 transitions. [2021-11-22 15:13:12,449 INFO L704 BuchiCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2021-11-22 15:13:12,450 INFO L587 BuchiCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2021-11-22 15:13:12,450 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-22 15:13:12,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5264 states and 8290 transitions. [2021-11-22 15:13:12,471 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2044 [2021-11-22 15:13:12,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:12,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:12,472 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:12,472 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:12,473 INFO L791 eck$LassoCheckResult]: Stem: 28670#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 28522#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 28444#L416 assume !(1 == ~c_req_up~0); 28446#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 28656#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 28685#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 28684#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 28520#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 28521#L447-1 assume !(0 == ~e_f~0); 28681#L452-1 assume !(0 == ~e_g~0); 28397#L457-1 assume !(0 == ~e_e~0); 28398#L462-1 assume !(0 == ~e_c~0); 28457#L467-1 assume !(0 == ~e_wl~0); 28458#L472-1 assume !(1 == ~wl_pc~0); 28691#L484 assume !(2 == ~wl_pc~0); 28629#L485 assume !(1 == ~c1_pc~0); 28613#L495 assume !(1 == ~c2_pc~0); 28687#L504 assume !(1 == ~wb_pc~0); 28632#L513 assume !(1 == ~e_c~0); 28428#L522-1 assume !(1 == ~e_e~0); 28429#L527-1 assume !(1 == ~e_f~0); 28682#L532-1 assume !(1 == ~e_g~0); 28616#L537-1 assume !(1 == ~e_c~0); 28545#L542-1 assume !(1 == ~e_wl~0); 28546#L684-1 assume !false; 30832#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 31437#L389 [2021-11-22 15:13:12,473 INFO L793 eck$LassoCheckResult]: Loop: 31437#L389 assume !false; 32648#L307 assume 0 == ~wl_st~0; 32416#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 32633#L333 assume !(0 != eval_~tmp~0#1); 32642#L329 assume !(0 == ~c1_st~0); 32672#L344 assume !(0 == ~c2_st~0); 32664#L359 assume !(0 == ~wb_st~0); 32656#L374 assume !(0 == ~r_st~0); 31437#L389 [2021-11-22 15:13:12,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:12,474 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2021-11-22 15:13:12,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:12,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203793010] [2021-11-22 15:13:12,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:12,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:12,482 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:12,496 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:12,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:12,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1292266880, now seen corresponding path program 1 times [2021-11-22 15:13:12,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:12,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805240346] [2021-11-22 15:13:12,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:12,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:12,501 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:12,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:12,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:12,505 INFO L85 PathProgramCache]: Analyzing trace with hash 373312376, now seen corresponding path program 1 times [2021-11-22 15:13:12,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:12,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173589757] [2021-11-22 15:13:12,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:12,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:12,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:12,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173589757] [2021-11-22 15:13:12,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173589757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:12,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:12,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:12,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609183347] [2021-11-22 15:13:12,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:12,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:12,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:12,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:12,581 INFO L87 Difference]: Start difference. First operand 5264 states and 8290 transitions. cyclomatic complexity: 3062 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:12,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:12,655 INFO L93 Difference]: Finished difference Result 8154 states and 12722 transitions. [2021-11-22 15:13:12,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:12,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8154 states and 12722 transitions. [2021-11-22 15:13:12,708 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3194 [2021-11-22 15:13:12,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8154 states to 8154 states and 12722 transitions. [2021-11-22 15:13:12,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3262 [2021-11-22 15:13:12,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3262 [2021-11-22 15:13:12,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8154 states and 12722 transitions. [2021-11-22 15:13:12,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:12,799 INFO L681 BuchiCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2021-11-22 15:13:12,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8154 states and 12722 transitions. [2021-11-22 15:13:13,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8154 to 8154. [2021-11-22 15:13:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8154 states, 8154 states have (on average 1.5602158449840569) internal successors, (12722), 8153 states have internal predecessors, (12722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:13,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8154 states to 8154 states and 12722 transitions. [2021-11-22 15:13:13,107 INFO L704 BuchiCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2021-11-22 15:13:13,107 INFO L587 BuchiCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2021-11-22 15:13:13,107 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-22 15:13:13,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8154 states and 12722 transitions. [2021-11-22 15:13:13,138 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3194 [2021-11-22 15:13:13,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:13,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:13,139 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:13,139 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:13,140 INFO L791 eck$LassoCheckResult]: Stem: 42094#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 41948#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 41865#L416 assume !(1 == ~c_req_up~0); 41867#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 41989#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 41990#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 42010#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 41946#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 41947#L447-1 assume !(0 == ~e_f~0); 42111#L452-1 assume !(0 == ~e_g~0); 41823#L457-1 assume !(0 == ~e_e~0); 41824#L462-1 assume !(0 == ~e_c~0); 41883#L467-1 assume !(0 == ~e_wl~0); 41884#L472-1 assume !(1 == ~wl_pc~0); 42107#L484 assume !(2 == ~wl_pc~0); 42047#L485 assume !(1 == ~c1_pc~0); 41885#L495 assume !(1 == ~c2_pc~0); 41887#L504 assume !(1 == ~wb_pc~0); 42016#L513 assume !(1 == ~e_c~0); 42052#L522-1 assume !(1 == ~e_e~0); 42069#L527-1 assume !(1 == ~e_f~0); 41923#L532-1 assume !(1 == ~e_g~0); 41924#L537-1 assume !(1 == ~e_c~0); 42038#L542-1 assume !(1 == ~e_wl~0); 44028#L684-1 assume !false; 44029#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 47350#L389 [2021-11-22 15:13:13,140 INFO L793 eck$LassoCheckResult]: Loop: 47350#L389 assume !false; 47412#L307 assume 0 == ~wl_st~0; 47380#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 47376#L333 assume !(0 != eval_~tmp~0#1); 47408#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 47429#L348 assume !(0 != eval_~tmp___0~0#1); 47428#L344 assume !(0 == ~c2_st~0); 47422#L359 assume !(0 == ~wb_st~0); 47417#L374 assume !(0 == ~r_st~0); 47350#L389 [2021-11-22 15:13:13,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:13,141 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2021-11-22 15:13:13,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:13,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658784858] [2021-11-22 15:13:13,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:13,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:13,148 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:13,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:13,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:13,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1353841090, now seen corresponding path program 1 times [2021-11-22 15:13:13,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:13,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800293628] [2021-11-22 15:13:13,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:13,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:13,164 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:13,168 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:13,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:13,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1363944758, now seen corresponding path program 1 times [2021-11-22 15:13:13,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:13,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748877122] [2021-11-22 15:13:13,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:13,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:13,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:13,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748877122] [2021-11-22 15:13:13,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748877122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:13,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:13,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:13,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127937837] [2021-11-22 15:13:13,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:13,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:13,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:13,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:13,352 INFO L87 Difference]: Start difference. First operand 8154 states and 12722 transitions. cyclomatic complexity: 4604 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:13,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:13,463 INFO L93 Difference]: Finished difference Result 12961 states and 20031 transitions. [2021-11-22 15:13:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:13,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12961 states and 20031 transitions. [2021-11-22 15:13:13,548 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2021-11-22 15:13:13,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12961 states to 12961 states and 20031 transitions. [2021-11-22 15:13:13,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5220 [2021-11-22 15:13:13,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5220 [2021-11-22 15:13:13,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12961 states and 20031 transitions. [2021-11-22 15:13:13,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:13,628 INFO L681 BuchiCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2021-11-22 15:13:13,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12961 states and 20031 transitions. [2021-11-22 15:13:13,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12961 to 12961. [2021-11-22 15:13:13,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12961 states, 12961 states have (on average 1.5454826016511072) internal successors, (20031), 12960 states have internal predecessors, (20031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12961 states to 12961 states and 20031 transitions. [2021-11-22 15:13:13,963 INFO L704 BuchiCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2021-11-22 15:13:13,963 INFO L587 BuchiCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2021-11-22 15:13:13,963 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-22 15:13:13,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12961 states and 20031 transitions. [2021-11-22 15:13:14,089 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2021-11-22 15:13:14,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:14,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:14,090 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:14,090 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:14,091 INFO L791 eck$LassoCheckResult]: Stem: 63235#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 63070#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 62989#L416 assume !(1 == ~c_req_up~0); 62991#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 63214#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 63143#L432-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 63144#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 63068#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 63069#L447-1 assume !(0 == ~e_f~0); 65402#L452-1 assume !(0 == ~e_g~0); 65400#L457-1 assume !(0 == ~e_e~0); 65398#L462-1 assume !(0 == ~e_c~0); 63258#L467-1 assume !(0 == ~e_wl~0); 63255#L472-1 assume !(1 == ~wl_pc~0); 63256#L484 assume !(2 == ~wl_pc~0); 63181#L485 assume !(1 == ~c1_pc~0); 63166#L495 assume !(1 == ~c2_pc~0); 63150#L504 assume !(1 == ~wb_pc~0); 63151#L513 assume !(1 == ~e_c~0); 63186#L522-1 assume !(1 == ~e_e~0); 63206#L527-1 assume !(1 == ~e_f~0); 63207#L532-1 assume !(1 == ~e_g~0); 65367#L537-1 assume !(1 == ~e_c~0); 65364#L542-1 assume !(1 == ~e_wl~0); 65361#L684-1 assume !false; 65362#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 69536#L389 [2021-11-22 15:13:14,091 INFO L793 eck$LassoCheckResult]: Loop: 69536#L389 assume !false; 72687#L307 assume 0 == ~wl_st~0; 72675#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 72661#L333 assume !(0 != eval_~tmp~0#1); 72686#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 72733#L348 assume !(0 != eval_~tmp___0~0#1); 72730#L344 assume !(0 == ~c2_st~0); 72728#L359 assume !(0 == ~wb_st~0); 72696#L374 assume !(0 == ~r_st~0); 69536#L389 [2021-11-22 15:13:14,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:14,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2021-11-22 15:13:14,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:14,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395993662] [2021-11-22 15:13:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:14,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:14,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:14,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395993662] [2021-11-22 15:13:14,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395993662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:14,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:14,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:14,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040656089] [2021-11-22 15:13:14,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:14,119 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 15:13:14,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:14,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1353841090, now seen corresponding path program 2 times [2021-11-22 15:13:14,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:14,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780847912] [2021-11-22 15:13:14,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:14,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:14,124 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:14,127 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:14,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:14,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:14,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:14,187 INFO L87 Difference]: Start difference. First operand 12961 states and 20031 transitions. cyclomatic complexity: 7106 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:14,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:14,266 INFO L93 Difference]: Finished difference Result 12909 states and 19944 transitions. [2021-11-22 15:13:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:14,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12909 states and 19944 transitions. [2021-11-22 15:13:14,337 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2021-11-22 15:13:14,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12909 states to 12909 states and 19944 transitions. [2021-11-22 15:13:14,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5170 [2021-11-22 15:13:14,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5170 [2021-11-22 15:13:14,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12909 states and 19944 transitions. [2021-11-22 15:13:14,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:14,564 INFO L681 BuchiCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2021-11-22 15:13:14,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12909 states and 19944 transitions. [2021-11-22 15:13:14,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12909 to 12909. [2021-11-22 15:13:14,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12909 states, 12909 states have (on average 1.5449686265396234) internal successors, (19944), 12908 states have internal predecessors, (19944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 19944 transitions. [2021-11-22 15:13:15,045 INFO L704 BuchiCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2021-11-22 15:13:15,046 INFO L587 BuchiCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2021-11-22 15:13:15,046 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-22 15:13:15,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12909 states and 19944 transitions. [2021-11-22 15:13:15,101 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2021-11-22 15:13:15,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:15,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:15,102 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:15,103 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:15,103 INFO L791 eck$LassoCheckResult]: Stem: 89090#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 88945#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 88866#L416 assume !(1 == ~c_req_up~0); 88868#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 88989#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 88990#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 89009#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 88943#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 88944#L447-1 assume !(0 == ~e_f~0); 89109#L452-1 assume !(0 == ~e_g~0); 88823#L457-1 assume !(0 == ~e_e~0); 88824#L462-1 assume !(0 == ~e_c~0); 88882#L467-1 assume !(0 == ~e_wl~0); 88883#L472-1 assume !(1 == ~wl_pc~0); 89104#L484 assume !(2 == ~wl_pc~0); 89044#L485 assume !(1 == ~c1_pc~0); 88884#L495 assume !(1 == ~c2_pc~0); 88886#L504 assume !(1 == ~wb_pc~0); 89016#L513 assume !(1 == ~e_c~0); 89047#L522-1 assume !(1 == ~e_e~0); 89066#L527-1 assume !(1 == ~e_f~0); 88920#L532-1 assume !(1 == ~e_g~0); 88921#L537-1 assume !(1 == ~e_c~0); 88973#L542-1 assume !(1 == ~e_wl~0); 88974#L684-1 assume !false; 91954#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 97100#L389 [2021-11-22 15:13:15,103 INFO L793 eck$LassoCheckResult]: Loop: 97100#L389 assume !false; 97096#L307 assume 0 == ~wl_st~0; 97057#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 97053#L333 assume !(0 != eval_~tmp~0#1); 97088#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 97126#L348 assume !(0 != eval_~tmp___0~0#1); 97125#L344 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 97099#L363 assume !(0 != eval_~tmp___1~0#1); 97120#L359 assume !(0 == ~wb_st~0); 97106#L374 assume !(0 == ~r_st~0); 97100#L389 [2021-11-22 15:13:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:15,104 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2021-11-22 15:13:15,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:15,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414909417] [2021-11-22 15:13:15,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:15,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:15,113 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:15,126 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:15,127 INFO L85 PathProgramCache]: Analyzing trace with hash -982249908, now seen corresponding path program 1 times [2021-11-22 15:13:15,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:15,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790141910] [2021-11-22 15:13:15,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:15,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:15,131 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:15,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:15,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:15,137 INFO L85 PathProgramCache]: Analyzing trace with hash 665734724, now seen corresponding path program 1 times [2021-11-22 15:13:15,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:15,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893156682] [2021-11-22 15:13:15,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:15,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:13:15,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:15,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893156682] [2021-11-22 15:13:15,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893156682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:15,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:15,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:13:15,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016953686] [2021-11-22 15:13:15,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:15,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:15,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:13:15,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:13:15,241 INFO L87 Difference]: Start difference. First operand 12909 states and 19944 transitions. cyclomatic complexity: 7071 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:15,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:15,374 INFO L93 Difference]: Finished difference Result 20133 states and 30924 transitions. [2021-11-22 15:13:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:13:15,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20133 states and 30924 transitions. [2021-11-22 15:13:15,658 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 8032 [2021-11-22 15:13:15,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20133 states to 20133 states and 30924 transitions. [2021-11-22 15:13:15,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8104 [2021-11-22 15:13:15,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8104 [2021-11-22 15:13:15,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20133 states and 30924 transitions. [2021-11-22 15:13:15,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 15:13:15,754 INFO L681 BuchiCegarLoop]: Abstraction has 20133 states and 30924 transitions. [2021-11-22 15:13:15,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states and 30924 transitions. [2021-11-22 15:13:16,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 20013. [2021-11-22 15:13:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20013 states, 20013 states have (on average 1.5391995203117974) internal successors, (30804), 20012 states have internal predecessors, (30804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20013 states to 20013 states and 30804 transitions. [2021-11-22 15:13:16,210 INFO L704 BuchiCegarLoop]: Abstraction has 20013 states and 30804 transitions. [2021-11-22 15:13:16,210 INFO L587 BuchiCegarLoop]: Abstraction has 20013 states and 30804 transitions. [2021-11-22 15:13:16,210 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-22 15:13:16,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20013 states and 30804 transitions. [2021-11-22 15:13:16,275 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 7984 [2021-11-22 15:13:16,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:13:16,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:13:16,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:16,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:16,283 INFO L791 eck$LassoCheckResult]: Stem: 122155#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 121994#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 121913#L416 assume !(1 == ~c_req_up~0); 121915#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 122041#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 122042#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 122064#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 121992#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 121993#L447-1 assume !(0 == ~e_f~0); 122183#L452-1 assume !(0 == ~e_g~0); 121870#L457-1 assume !(0 == ~e_e~0); 121871#L462-1 assume !(0 == ~e_c~0); 121930#L467-1 assume !(0 == ~e_wl~0); 121931#L472-1 assume !(1 == ~wl_pc~0); 122179#L484 assume !(2 == ~wl_pc~0); 122105#L485 assume !(1 == ~c1_pc~0); 121932#L495 assume !(1 == ~c2_pc~0); 121934#L504 assume !(1 == ~wb_pc~0); 122071#L513 assume !(1 == ~e_c~0); 122110#L522-1 assume !(1 == ~e_e~0); 122127#L527-1 assume !(1 == ~e_f~0); 121969#L532-1 assume !(1 == ~e_g~0); 121970#L537-1 assume !(1 == ~e_c~0); 122094#L542-1 assume !(1 == ~e_wl~0); 127270#L684-1 assume !false; 127271#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 134004#L389 [2021-11-22 15:13:16,284 INFO L793 eck$LassoCheckResult]: Loop: 134004#L389 assume !false; 134700#L307 assume 0 == ~wl_st~0; 134697#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 134672#L333 assume !(0 != eval_~tmp~0#1); 134694#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 135041#L348 assume !(0 != eval_~tmp___0~0#1); 135040#L344 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 135038#L363 assume !(0 != eval_~tmp___1~0#1); 135037#L359 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 135021#L378 assume !(0 != eval_~tmp___2~0#1); 135034#L374 assume !(0 == ~r_st~0); 134004#L389 [2021-11-22 15:13:16,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:16,284 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 5 times [2021-11-22 15:13:16,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:16,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553480187] [2021-11-22 15:13:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:16,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:16,293 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:16,310 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:16,310 INFO L85 PathProgramCache]: Analyzing trace with hash -385011466, now seen corresponding path program 1 times [2021-11-22 15:13:16,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:16,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412349103] [2021-11-22 15:13:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:16,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:16,316 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:16,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:16,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:16,320 INFO L85 PathProgramCache]: Analyzing trace with hash -837095426, now seen corresponding path program 1 times [2021-11-22 15:13:16,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:16,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790523100] [2021-11-22 15:13:16,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:16,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:16,330 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:13:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:13:16,352 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:13:17,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 03:13:17 BoogieIcfgContainer [2021-11-22 15:13:17,603 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 15:13:17,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:13:17,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:13:17,604 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:13:17,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:13:01" (3/4) ... [2021-11-22 15:13:17,608 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-22 15:13:17,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:13:17,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:13:17,678 INFO L158 Benchmark]: Toolchain (without parser) took 17764.32ms. Allocated memory was 121.6MB in the beginning and 864.0MB in the end (delta: 742.4MB). Free memory was 87.9MB in the beginning and 612.7MB in the end (delta: -524.7MB). Peak memory consumption was 218.0MB. Max. memory is 16.1GB. [2021-11-22 15:13:17,678 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:13:17,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.34ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 93.0MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:13:17,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.51ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:13:17,679 INFO L158 Benchmark]: Boogie Preprocessor took 64.01ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:13:17,680 INFO L158 Benchmark]: RCFGBuilder took 836.76ms. Allocated memory is still 121.6MB. Free memory was 88.8MB in the beginning and 69.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 15:13:17,680 INFO L158 Benchmark]: BuchiAutomizer took 16244.29ms. Allocated memory was 121.6MB in the beginning and 864.0MB in the end (delta: 742.4MB). Free memory was 69.5MB in the beginning and 616.8MB in the end (delta: -547.3MB). Peak memory consumption was 252.3MB. Max. memory is 16.1GB. [2021-11-22 15:13:17,681 INFO L158 Benchmark]: Witness Printer took 73.18ms. Allocated memory is still 864.0MB. Free memory was 616.8MB in the beginning and 612.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 15:13:17,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.34ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 93.0MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.51ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.01ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 836.76ms. Allocated memory is still 121.6MB. Free memory was 88.8MB in the beginning and 69.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 16244.29ms. Allocated memory was 121.6MB in the beginning and 864.0MB in the end (delta: 742.4MB). Free memory was 69.5MB in the beginning and 616.8MB in the end (delta: -547.3MB). Peak memory consumption was 252.3MB. Max. memory is 16.1GB. * Witness Printer took 73.18ms. Allocated memory is still 864.0MB. Free memory was 616.8MB in the beginning and 612.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. 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 17 terminating modules (14 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function 3 + -2 * e_e and consists of 3 locations. 14 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 20013 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.1s and 15 iterations. TraceHistogramMax:1. Analysis of lassos took 9.2s. Construction of modules took 0.4s. Büchi inclusion checks took 2.1s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 11. Automata minimization 2.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 1393 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 1.3s Buchi closure took 0.0s. Biggest automaton had 20013 states and ocurred in iteration 14. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4135 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4132 mSDsluCounter, 6565 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2288 mSDsCounter, 113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 113 mSolverCounterUnsat, 4277 mSDtfsCounter, 345 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT0 SILN1 SILU0 SILI5 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital83 mio100 ax100 hnf100 lsp12 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf100 smp100 dnf211 smp63 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 306]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {p_out=0, wb_st=0, NULL=0, processed=0, tmp___3=0, __retres1=0, NULL=1, tmp___2=0, c2_st=0, wl_pc=0, e_wl=2, e_c=2, e_e=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@396ff83d=0, e_p_in=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d215bf9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49777fa6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37c7761e=0, t_b=0, p_in=0, wb_pc=0, data=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35140e88=0, wb_i=1, tmp___1=0, c_req_up=0, c_t=0, wl_i=1, c1_st=0, c=0, wl_st=0, c1_i=1, c2_pc=0, c2_i=1, tmp=0, tmp___0=0, \result=0, r_i=0, d=0, e_f=2, e_g=2, NULL=0, kernel_st=1, r_st=2, c1_pc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 306]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; [L701] int __retres1 ; [L705] e_wl = 2 [L706] e_c = e_wl [L707] e_g = e_c [L708] e_f = e_g [L709] e_e = e_f [L710] wl_pc = 0 [L711] c1_pc = 0 [L712] c2_pc = 0 [L713] wb_pc = 0 [L714] wb_i = 1 [L715] c2_i = wb_i [L716] c1_i = c2_i [L717] wl_i = c1_i [L718] r_i = 0 [L719] c_req_up = 0 [L720] d = 0 [L721] c = 0 [L722] CALL start_simulation() [L412] int kernel_st ; [L415] kernel_st = 0 [L416] COND FALSE !((int )c_req_up == 1) [L427] COND TRUE (int )wl_i == 1 [L428] wl_st = 0 [L432] COND TRUE (int )c1_i == 1 [L433] c1_st = 0 [L437] COND TRUE (int )c2_i == 1 [L438] c2_st = 0 [L442] COND TRUE (int )wb_i == 1 [L443] wb_st = 0 [L447] COND FALSE !((int )r_i == 1) [L450] r_st = 2 [L452] COND FALSE !((int )e_f == 0) [L457] COND FALSE !((int )e_g == 0) [L462] COND FALSE !((int )e_e == 0) [L467] COND FALSE !((int )e_c == 0) [L472] COND FALSE !((int )e_wl == 0) [L477] COND FALSE !((int )wl_pc == 1) [L485] COND FALSE !((int )wl_pc == 2) [L495] COND FALSE !((int )c1_pc == 1) [L504] COND FALSE !((int )c2_pc == 1) [L513] COND FALSE !((int )wb_pc == 1) [L522] COND FALSE !((int )e_c == 1) [L527] COND FALSE !((int )e_e == 1) [L532] COND FALSE !((int )e_f == 1) [L537] COND FALSE !((int )e_g == 1) [L542] COND FALSE !((int )e_c == 1) [L547] COND FALSE !((int )e_wl == 1) [L553] COND TRUE 1 [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] int tmp___3 ; Loop: [L306] COND TRUE 1 [L308] COND TRUE (int )wl_st == 0 [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND FALSE !(\read(tmp___0)) [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp___1)) [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND FALSE !(\read(tmp___2)) [L389] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 15:13:17,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eb755f-67b3-4399-ab39-c3e67f8c140a/bin/uautomizer-w2VwFs6gM0/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)