./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS --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 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:43:37,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:43:37,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:43:37,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:43:37,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:43:37,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:43:37,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:43:37,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:43:37,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:43:37,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:43:37,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:43:37,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:43:37,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:43:37,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:43:37,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:43:37,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:43:37,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:43:37,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:43:37,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:43:37,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:43:37,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:43:37,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:43:37,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:43:37,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:43:37,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:43:37,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:43:37,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:43:37,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:43:37,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:43:37,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:43:37,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:43:37,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:43:37,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:43:37,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:43:37,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:43:37,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:43:37,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:43:37,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:43:37,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:43:37,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:43:37,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:43:37,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 02:43:37,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:43:37,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:43:37,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:43:37,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:43:37,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:43:37,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:43:37,490 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:43:37,490 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 02:43:37,490 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 02:43:37,491 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 02:43:37,492 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 02:43:37,492 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 02:43:37,492 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 02:43:37,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:43:37,493 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:43:37,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:43:37,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:43:37,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:43:37,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:43:37,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 02:43:37,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 02:43:37,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 02:43:37,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:43:37,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:43:37,495 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 02:43:37,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:43:37,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 02:43:37,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:43:37,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:43:37,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:43:37,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:43:37,499 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 02:43:37,499 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_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b [2022-11-23 02:43:37,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:43:37,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:43:37,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:43:37,822 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:43:37,823 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:43:37,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/systemc/toy.cil.c [2022-11-23 02:43:40,860 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:43:41,100 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:43:41,101 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/sv-benchmarks/c/systemc/toy.cil.c [2022-11-23 02:43:41,116 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/data/2fb13dd4d/56ed88e4d1f94f95af749e3fb646bbe9/FLAG550bd67c1 [2022-11-23 02:43:41,136 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/data/2fb13dd4d/56ed88e4d1f94f95af749e3fb646bbe9 [2022-11-23 02:43:41,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:43:41,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:43:41,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:43:41,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:43:41,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:43:41,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7439d57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41, skipping insertion in model container [2022-11-23 02:43:41,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:43:41,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:43:41,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/sv-benchmarks/c/systemc/toy.cil.c[697,710] [2022-11-23 02:43:41,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:43:41,493 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:43:41,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/sv-benchmarks/c/systemc/toy.cil.c[697,710] [2022-11-23 02:43:41,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:43:41,594 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:43:41,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41 WrapperNode [2022-11-23 02:43:41,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:43:41,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:43:41,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:43:41,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:43:41,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,686 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 357 [2022-11-23 02:43:41,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:43:41,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:43:41,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:43:41,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:43:41,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:43:41,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:43:41,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:43:41,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:43:41,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (1/1) ... [2022-11-23 02:43:41,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:41,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:41,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:41,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 02:43:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:43:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:43:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:43:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:43:41,980 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:43:41,982 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:43:42,616 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:43:42,624 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:43:42,624 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-23 02:43:42,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:42 BoogieIcfgContainer [2022-11-23 02:43:42,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:43:42,628 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 02:43:42,628 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 02:43:42,631 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 02:43:42,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:43:42,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:43:41" (1/3) ... [2022-11-23 02:43:42,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2350def0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:43:42, skipping insertion in model container [2022-11-23 02:43:42,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:43:42,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:41" (2/3) ... [2022-11-23 02:43:42,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2350def0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:43:42, skipping insertion in model container [2022-11-23 02:43:42,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:43:42,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:42" (3/3) ... [2022-11-23 02:43:42,652 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy.cil.c [2022-11-23 02:43:42,730 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 02:43:42,730 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 02:43:42,730 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 02:43:42,731 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 02:43:42,731 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 02:43:42,731 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 02:43:42,731 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 02:43:42,731 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 02:43:42,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 131 states, 130 states have (on average 1.8307692307692307) internal successors, (238), 130 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:42,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 96 [2022-11-23 02:43:42,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:42,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:42,790 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:42,790 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:42,790 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 02:43:42,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 131 states, 130 states have (on average 1.8307692307692307) internal successors, (238), 130 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:42,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 96 [2022-11-23 02:43:42,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:42,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:42,803 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:42,803 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:42,816 INFO L748 eck$LassoCheckResult]: Stem: 117#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(10, 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; 36#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; 103#L408true assume !(1 == ~c_req_up~0); 88#L408-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 126#L419-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 124#L424-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 62#L429-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 119#L434-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 41#L439-1true assume !(0 == ~e_f~0); 5#L444-1true assume !(0 == ~e_g~0); 99#L449-1true assume !(0 == ~e_e~0); 55#L454-1true assume !(0 == ~e_c~0); 108#L459-1true assume !(0 == ~e_wl~0); 23#L464-1true assume !(1 == ~wl_pc~0); 40#L476true assume !(2 == ~wl_pc~0); 22#L477true assume !(1 == ~c1_pc~0); 16#L487true assume !(1 == ~c2_pc~0); 90#L496true assume !(1 == ~wb_pc~0); 27#L505true assume !(1 == ~e_c~0); 33#L514-1true assume !(1 == ~e_e~0); 132#L519-1true assume !(1 == ~e_f~0); 37#L524-1true assume !(1 == ~e_g~0); 130#L529-1true assume !(1 == ~e_c~0); 2#L534-1true assume !(1 == ~e_wl~0); 4#L676-1true [2022-11-23 02:43:42,818 INFO L750 eck$LassoCheckResult]: Loop: 4#L676-1true assume !false; 32#L546true 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; 73#L381true assume !true; 125#L397true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 39#L552true assume !(1 == ~c_req_up~0); 61#L552-2true start_simulation_~kernel_st~0#1 := 3; 12#L564true assume 0 == ~e_f~0;~e_f~0 := 1; 15#L564-2true assume !(0 == ~e_g~0); 6#L569-1true assume 0 == ~e_e~0;~e_e~0 := 1; 129#L574-1true assume 0 == ~e_c~0;~e_c~0 := 1; 10#L579-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 97#L584-1true assume 1 == ~wl_pc~0; 48#L590true assume 1 == ~e_wl~0;~wl_st~0 := 0; 111#L597true assume !(1 == ~c1_pc~0); 25#L607true assume !(1 == ~c2_pc~0); 101#L616true assume !(1 == ~wb_pc~0); 121#L625true assume 1 == ~e_c~0;~r_st~0 := 0; 60#L634-1true assume 1 == ~e_e~0;~e_e~0 := 2; 54#L639-1true assume !(1 == ~e_f~0); 114#L644-1true assume 1 == ~e_g~0;~e_g~0 := 2; 80#L649-1true assume 1 == ~e_c~0;~e_c~0 := 2; 38#L654-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 20#L659-1true assume 0 == ~wl_st~0; 4#L676-1true [2022-11-23 02:43:42,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:42,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-11-23 02:43:42,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:42,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989682764] [2022-11-23 02:43:42,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:42,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:43,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:43,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989682764] [2022-11-23 02:43:43,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989682764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:43,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:43,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:43,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794717290] [2022-11-23 02:43:43,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:43,201 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:43,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:43,202 INFO L85 PathProgramCache]: Analyzing trace with hash 672584946, now seen corresponding path program 1 times [2022-11-23 02:43:43,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:43,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753696361] [2022-11-23 02:43:43,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:43,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:43,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:43,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753696361] [2022-11-23 02:43:43,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753696361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:43,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:43,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:43:43,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111302064] [2022-11-23 02:43:43,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:43,225 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 02:43:43,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:43,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 02:43:43,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 02:43:43,264 INFO L87 Difference]: Start difference. First operand has 131 states, 130 states have (on average 1.8307692307692307) internal successors, (238), 130 states have internal predecessors, (238), 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) [2022-11-23 02:43:43,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:43,284 INFO L93 Difference]: Finished difference Result 130 states and 224 transitions. [2022-11-23 02:43:43,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 224 transitions. [2022-11-23 02:43:43,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-11-23 02:43:43,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 125 states and 219 transitions. [2022-11-23 02:43:43,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-11-23 02:43:43,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-11-23 02:43:43,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 219 transitions. [2022-11-23 02:43:43,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:43:43,299 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 219 transitions. [2022-11-23 02:43:43,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 219 transitions. [2022-11-23 02:43:43,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-11-23 02:43:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.752) internal successors, (219), 124 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) [2022-11-23 02:43:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 219 transitions. [2022-11-23 02:43:43,336 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 219 transitions. [2022-11-23 02:43:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 02:43:43,341 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 219 transitions. [2022-11-23 02:43:43,341 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 02:43:43,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 219 transitions. [2022-11-23 02:43:43,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-11-23 02:43:43,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:43,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:43,345 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:43,345 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:43,346 INFO L748 eck$LassoCheckResult]: Stem: 391#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(10, 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; 337#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; 338#L408 assume !(1 == ~c_req_up~0); 302#L408-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 384#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 393#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 366#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 367#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 346#L439-1 assume !(0 == ~e_f~0); 273#L444-1 assume !(0 == ~e_g~0); 274#L449-1 assume !(0 == ~e_e~0); 362#L454-1 assume !(0 == ~e_c~0); 363#L459-1 assume !(0 == ~e_wl~0); 309#L464-1 assume !(1 == ~wl_pc~0); 310#L476 assume !(2 == ~wl_pc~0); 307#L477 assume !(1 == ~c1_pc~0); 295#L487 assume !(1 == ~c2_pc~0); 297#L496 assume !(1 == ~wb_pc~0); 321#L505 assume !(1 == ~e_c~0); 322#L514-1 assume !(1 == ~e_e~0); 333#L519-1 assume !(1 == ~e_f~0); 340#L524-1 assume !(1 == ~e_g~0); 341#L529-1 assume !(1 == ~e_c~0); 270#L534-1 assume !(1 == ~e_wl~0); 271#L676-1 [2022-11-23 02:43:43,346 INFO L750 eck$LassoCheckResult]: Loop: 271#L676-1 assume !false; 272#L546 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; 294#L381 assume !false; 334#L299 assume !(0 == ~wl_st~0); 335#L303 assume !(0 == ~c1_st~0); 392#L306 assume !(0 == ~c2_st~0); 386#L309 assume !(0 == ~wb_st~0); 387#L312 assume !(0 == ~r_st~0); 394#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 342#L552 assume !(1 == ~c_req_up~0); 343#L552-2 start_simulation_~kernel_st~0#1 := 3; 290#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 291#L564-2 assume !(0 == ~e_g~0); 275#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 276#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 285#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 286#L584-1 assume 1 == ~wl_pc~0; 355#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 352#L597 assume !(1 == ~c1_pc~0); 315#L607 assume !(1 == ~c2_pc~0); 316#L616 assume !(1 == ~wb_pc~0); 375#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 365#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 360#L639-1 assume !(1 == ~e_f~0); 361#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 376#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 339#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 303#L659-1 assume 0 == ~wl_st~0; 271#L676-1 [2022-11-23 02:43:43,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:43,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-11-23 02:43:43,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:43,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325432373] [2022-11-23 02:43:43,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:43,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:43,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:43,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325432373] [2022-11-23 02:43:43,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325432373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:43,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:43,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:43,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687572487] [2022-11-23 02:43:43,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:43,423 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:43,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:43,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1073460531, now seen corresponding path program 1 times [2022-11-23 02:43:43,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:43,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466193832] [2022-11-23 02:43:43,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:43,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:43,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:43,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466193832] [2022-11-23 02:43:43,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466193832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:43,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:43,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:43,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746921138] [2022-11-23 02:43:43,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:43,531 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 02:43:43,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:43,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:43,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:43,532 INFO L87 Difference]: Start difference. First operand 125 states and 219 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) [2022-11-23 02:43:43,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:43,554 INFO L93 Difference]: Finished difference Result 125 states and 218 transitions. [2022-11-23 02:43:43,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 218 transitions. [2022-11-23 02:43:43,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-11-23 02:43:43,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 218 transitions. [2022-11-23 02:43:43,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-11-23 02:43:43,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-11-23 02:43:43,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 218 transitions. [2022-11-23 02:43:43,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:43:43,561 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 218 transitions. [2022-11-23 02:43:43,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 218 transitions. [2022-11-23 02:43:43,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-11-23 02:43:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.744) internal successors, (218), 124 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) [2022-11-23 02:43:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 218 transitions. [2022-11-23 02:43:43,568 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 218 transitions. [2022-11-23 02:43:43,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:43,570 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 218 transitions. [2022-11-23 02:43:43,570 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 02:43:43,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 218 transitions. [2022-11-23 02:43:43,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-11-23 02:43:43,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:43,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:43,573 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:43,573 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:43,574 INFO L748 eck$LassoCheckResult]: Stem: 648#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(10, 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; 594#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; 595#L408 assume !(1 == ~c_req_up~0); 559#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 641#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 650#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 623#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 624#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 603#L439-1 assume !(0 == ~e_f~0); 530#L444-1 assume !(0 == ~e_g~0); 531#L449-1 assume !(0 == ~e_e~0); 619#L454-1 assume !(0 == ~e_c~0); 620#L459-1 assume !(0 == ~e_wl~0); 566#L464-1 assume !(1 == ~wl_pc~0); 567#L476 assume !(2 == ~wl_pc~0); 564#L477 assume !(1 == ~c1_pc~0); 552#L487 assume !(1 == ~c2_pc~0); 554#L496 assume !(1 == ~wb_pc~0); 578#L505 assume !(1 == ~e_c~0); 579#L514-1 assume !(1 == ~e_e~0); 590#L519-1 assume !(1 == ~e_f~0); 597#L524-1 assume !(1 == ~e_g~0); 598#L529-1 assume !(1 == ~e_c~0); 527#L534-1 assume !(1 == ~e_wl~0); 528#L676-1 [2022-11-23 02:43:43,574 INFO L750 eck$LassoCheckResult]: Loop: 528#L676-1 assume !false; 529#L546 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; 551#L381 assume !false; 591#L299 assume !(0 == ~wl_st~0); 592#L303 assume !(0 == ~c1_st~0); 649#L306 assume !(0 == ~c2_st~0); 643#L309 assume !(0 == ~wb_st~0); 644#L312 assume !(0 == ~r_st~0); 651#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 599#L552 assume !(1 == ~c_req_up~0); 600#L552-2 start_simulation_~kernel_st~0#1 := 3; 547#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 548#L564-2 assume !(0 == ~e_g~0); 532#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 533#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 542#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 543#L584-1 assume 1 == ~wl_pc~0; 612#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 609#L597 assume !(1 == ~c1_pc~0); 572#L607 assume !(1 == ~c2_pc~0); 573#L616 assume !(1 == ~wb_pc~0); 632#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 622#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 617#L639-1 assume !(1 == ~e_f~0); 618#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 634#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 596#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 560#L659-1 assume 0 == ~wl_st~0; 528#L676-1 [2022-11-23 02:43:43,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:43,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-11-23 02:43:43,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:43,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326567243] [2022-11-23 02:43:43,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:43,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:43,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:43,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326567243] [2022-11-23 02:43:43,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326567243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:43,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:43,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:43,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088664491] [2022-11-23 02:43:43,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:43,665 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:43,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:43,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1073460531, now seen corresponding path program 2 times [2022-11-23 02:43:43,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:43,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963435511] [2022-11-23 02:43:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:43,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:43,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:43,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963435511] [2022-11-23 02:43:43,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963435511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:43,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:43,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:43,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737740300] [2022-11-23 02:43:43,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:43,745 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 02:43:43,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:43,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:43,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:43,746 INFO L87 Difference]: Start difference. First operand 125 states and 218 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) [2022-11-23 02:43:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:43,779 INFO L93 Difference]: Finished difference Result 125 states and 217 transitions. [2022-11-23 02:43:43,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 217 transitions. [2022-11-23 02:43:43,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-11-23 02:43:43,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 217 transitions. [2022-11-23 02:43:43,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-11-23 02:43:43,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-11-23 02:43:43,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 217 transitions. [2022-11-23 02:43:43,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:43:43,801 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 217 transitions. [2022-11-23 02:43:43,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 217 transitions. [2022-11-23 02:43:43,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-11-23 02:43:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.736) internal successors, (217), 124 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) [2022-11-23 02:43:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 217 transitions. [2022-11-23 02:43:43,816 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 217 transitions. [2022-11-23 02:43:43,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:43,818 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 217 transitions. [2022-11-23 02:43:43,819 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-23 02:43:43,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 217 transitions. [2022-11-23 02:43:43,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-11-23 02:43:43,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:43,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:43,823 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:43,824 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:43,825 INFO L748 eck$LassoCheckResult]: Stem: 905#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(10, 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; 851#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; 852#L408 assume !(1 == ~c_req_up~0); 816#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 898#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 907#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 880#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 881#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 860#L439-1 assume !(0 == ~e_f~0); 787#L444-1 assume !(0 == ~e_g~0); 788#L449-1 assume !(0 == ~e_e~0); 876#L454-1 assume !(0 == ~e_c~0); 877#L459-1 assume !(0 == ~e_wl~0); 823#L464-1 assume !(1 == ~wl_pc~0); 824#L476 assume !(2 == ~wl_pc~0); 821#L477 assume !(1 == ~c1_pc~0); 809#L487 assume !(1 == ~c2_pc~0); 811#L496 assume !(1 == ~wb_pc~0); 835#L505 assume !(1 == ~e_c~0); 836#L514-1 assume !(1 == ~e_e~0); 847#L519-1 assume !(1 == ~e_f~0); 854#L524-1 assume !(1 == ~e_g~0); 855#L529-1 assume !(1 == ~e_c~0); 784#L534-1 assume !(1 == ~e_wl~0); 785#L676-1 [2022-11-23 02:43:43,825 INFO L750 eck$LassoCheckResult]: Loop: 785#L676-1 assume !false; 786#L546 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; 808#L381 assume !false; 848#L299 assume !(0 == ~wl_st~0); 849#L303 assume !(0 == ~c1_st~0); 906#L306 assume !(0 == ~c2_st~0); 900#L309 assume !(0 == ~wb_st~0); 901#L312 assume !(0 == ~r_st~0); 908#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 856#L552 assume !(1 == ~c_req_up~0); 857#L552-2 start_simulation_~kernel_st~0#1 := 3; 804#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 805#L564-2 assume !(0 == ~e_g~0); 789#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 790#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 799#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 800#L584-1 assume !(1 == ~wl_pc~0); 864#L596 assume !(2 == ~wl_pc~0); 866#L597 assume !(1 == ~c1_pc~0); 829#L607 assume !(1 == ~c2_pc~0); 830#L616 assume !(1 == ~wb_pc~0); 889#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 879#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 874#L639-1 assume !(1 == ~e_f~0); 875#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 891#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 853#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 817#L659-1 assume 0 == ~wl_st~0; 785#L676-1 [2022-11-23 02:43:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:43,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-11-23 02:43:43,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:43,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163021386] [2022-11-23 02:43:43,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:43,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:43,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163021386] [2022-11-23 02:43:43,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163021386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:43,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:43,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:43,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426466513] [2022-11-23 02:43:43,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:43,923 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:43,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1622720252, now seen corresponding path program 1 times [2022-11-23 02:43:43,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:43,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664008952] [2022-11-23 02:43:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:43,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:43,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:43,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664008952] [2022-11-23 02:43:43,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664008952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:43,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:43,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:43,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332297938] [2022-11-23 02:43:43,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:43,980 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 02:43:43,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:43,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:43,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:43,982 INFO L87 Difference]: Start difference. First operand 125 states and 217 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) [2022-11-23 02:43:44,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:44,009 INFO L93 Difference]: Finished difference Result 125 states and 216 transitions. [2022-11-23 02:43:44,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 216 transitions. [2022-11-23 02:43:44,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-11-23 02:43:44,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 216 transitions. [2022-11-23 02:43:44,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-11-23 02:43:44,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-11-23 02:43:44,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 216 transitions. [2022-11-23 02:43:44,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:43:44,019 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 216 transitions. [2022-11-23 02:43:44,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 216 transitions. [2022-11-23 02:43:44,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-11-23 02:43:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.728) internal successors, (216), 124 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 216 transitions. [2022-11-23 02:43:44,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 216 transitions. [2022-11-23 02:43:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:44,036 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 216 transitions. [2022-11-23 02:43:44,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-23 02:43:44,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 216 transitions. [2022-11-23 02:43:44,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-11-23 02:43:44,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:44,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:44,043 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:44,046 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:44,047 INFO L748 eck$LassoCheckResult]: Stem: 1162#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(10, 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; 1108#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; 1109#L408 assume !(1 == ~c_req_up~0); 1073#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1155#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1164#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1137#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1138#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1117#L439-1 assume !(0 == ~e_f~0); 1044#L444-1 assume !(0 == ~e_g~0); 1045#L449-1 assume !(0 == ~e_e~0); 1133#L454-1 assume !(0 == ~e_c~0); 1134#L459-1 assume !(0 == ~e_wl~0); 1080#L464-1 assume !(1 == ~wl_pc~0); 1081#L476 assume !(2 == ~wl_pc~0); 1078#L477 assume !(1 == ~c1_pc~0); 1066#L487 assume !(1 == ~c2_pc~0); 1068#L496 assume !(1 == ~wb_pc~0); 1092#L505 assume !(1 == ~e_c~0); 1093#L514-1 assume !(1 == ~e_e~0); 1104#L519-1 assume !(1 == ~e_f~0); 1111#L524-1 assume !(1 == ~e_g~0); 1112#L529-1 assume !(1 == ~e_c~0); 1041#L534-1 assume !(1 == ~e_wl~0); 1042#L676-1 [2022-11-23 02:43:44,047 INFO L750 eck$LassoCheckResult]: Loop: 1042#L676-1 assume !false; 1043#L546 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; 1065#L381 assume !false; 1105#L299 assume !(0 == ~wl_st~0); 1106#L303 assume !(0 == ~c1_st~0); 1163#L306 assume !(0 == ~c2_st~0); 1157#L309 assume !(0 == ~wb_st~0); 1158#L312 assume !(0 == ~r_st~0); 1165#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1113#L552 assume !(1 == ~c_req_up~0); 1114#L552-2 start_simulation_~kernel_st~0#1 := 3; 1061#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1062#L564-2 assume !(0 == ~e_g~0); 1046#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1047#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1056#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1057#L584-1 assume !(1 == ~wl_pc~0); 1121#L596 assume !(2 == ~wl_pc~0); 1123#L597 assume !(1 == ~c1_pc~0); 1086#L607 assume !(1 == ~c2_pc~0); 1087#L616 assume !(1 == ~wb_pc~0); 1146#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1136#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1131#L639-1 assume !(1 == ~e_f~0); 1132#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1148#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1110#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1074#L659-1 assume 0 == ~wl_st~0; 1042#L676-1 [2022-11-23 02:43:44,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:44,048 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-11-23 02:43:44,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:44,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436715700] [2022-11-23 02:43:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:44,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:44,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:44,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:44,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:44,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1622720252, now seen corresponding path program 2 times [2022-11-23 02:43:44,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:44,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482715925] [2022-11-23 02:43:44,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:44,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:44,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:44,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482715925] [2022-11-23 02:43:44,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482715925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:44,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:44,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:44,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595190619] [2022-11-23 02:43:44,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:44,171 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 02:43:44,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:44,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:44,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:44,172 INFO L87 Difference]: Start difference. First operand 125 states and 216 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) [2022-11-23 02:43:44,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:44,255 INFO L93 Difference]: Finished difference Result 159 states and 276 transitions. [2022-11-23 02:43:44,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 276 transitions. [2022-11-23 02:43:44,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 111 [2022-11-23 02:43:44,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 159 states and 276 transitions. [2022-11-23 02:43:44,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2022-11-23 02:43:44,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2022-11-23 02:43:44,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 276 transitions. [2022-11-23 02:43:44,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:43:44,270 INFO L218 hiAutomatonCegarLoop]: Abstraction has 159 states and 276 transitions. [2022-11-23 02:43:44,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 276 transitions. [2022-11-23 02:43:44,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-11-23 02:43:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 1.7358490566037736) internal successors, (276), 158 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 276 transitions. [2022-11-23 02:43:44,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 159 states and 276 transitions. [2022-11-23 02:43:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:44,277 INFO L428 stractBuchiCegarLoop]: Abstraction has 159 states and 276 transitions. [2022-11-23 02:43:44,277 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-23 02:43:44,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 276 transitions. [2022-11-23 02:43:44,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 111 [2022-11-23 02:43:44,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:44,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:44,284 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:44,284 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:44,284 INFO L748 eck$LassoCheckResult]: Stem: 1458#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(10, 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; 1399#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; 1400#L408 assume !(1 == ~c_req_up~0); 1364#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1450#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1461#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1429#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1430#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1408#L439-1 assume 0 == ~e_f~0;~e_f~0 := 1; 1334#L444-1 assume !(0 == ~e_g~0); 1335#L449-1 assume !(0 == ~e_e~0); 1425#L454-1 assume !(0 == ~e_c~0); 1426#L459-1 assume !(0 == ~e_wl~0); 1371#L464-1 assume !(1 == ~wl_pc~0); 1372#L476 assume !(2 == ~wl_pc~0); 1369#L477 assume !(1 == ~c1_pc~0); 1357#L487 assume !(1 == ~c2_pc~0); 1359#L496 assume !(1 == ~wb_pc~0); 1383#L505 assume !(1 == ~e_c~0); 1384#L514-1 assume !(1 == ~e_e~0); 1395#L519-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1402#L524-1 assume !(1 == ~e_g~0); 1403#L529-1 assume !(1 == ~e_c~0); 1331#L534-1 assume !(1 == ~e_wl~0); 1332#L676-1 [2022-11-23 02:43:44,284 INFO L750 eck$LassoCheckResult]: Loop: 1332#L676-1 assume !false; 1333#L546 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; 1356#L381 assume !false; 1396#L299 assume !(0 == ~wl_st~0); 1397#L303 assume !(0 == ~c1_st~0); 1460#L306 assume !(0 == ~c2_st~0); 1452#L309 assume !(0 == ~wb_st~0); 1453#L312 assume !(0 == ~r_st~0); 1462#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1404#L552 assume !(1 == ~c_req_up~0); 1405#L552-2 start_simulation_~kernel_st~0#1 := 3; 1351#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1352#L564-2 assume !(0 == ~e_g~0); 1489#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1488#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1487#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1486#L584-1 assume 1 == ~wl_pc~0; 1484#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1482#L597 assume !(1 == ~c1_pc~0); 1442#L607 assume !(1 == ~c2_pc~0); 1436#L616 assume !(1 == ~wb_pc~0); 1479#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1428#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1423#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1424#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1443#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1401#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1365#L659-1 assume 0 == ~wl_st~0; 1332#L676-1 [2022-11-23 02:43:44,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:44,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1276613851, now seen corresponding path program 1 times [2022-11-23 02:43:44,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:44,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849240717] [2022-11-23 02:43:44,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:44,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:44,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:44,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849240717] [2022-11-23 02:43:44,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849240717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:44,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:44,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:44,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206578897] [2022-11-23 02:43:44,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:44,333 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:44,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:44,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1071613489, now seen corresponding path program 1 times [2022-11-23 02:43:44,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:44,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937884599] [2022-11-23 02:43:44,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:44,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:44,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:44,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:44,734 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:43:44,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:43:44,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:43:44,736 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:43:44,736 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 02:43:44,737 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:44,744 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:43:44,744 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:43:44,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2022-11-23 02:43:44,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:43:44,744 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:43:44,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:44,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:43:45,226 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 02:43:45,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:45,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:45,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:45,244 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:45,244 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:45,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 02:43:45,272 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:45,272 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: [] [2022-11-23 02:43:45,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-23 02:43:45,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:45,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:45,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:45,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:45,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:45,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 02:43:45,320 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:45,320 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:43:45,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:45,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:45,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:45,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:45,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:45,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:45,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 02:43:45,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:45,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:45,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:45,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:45,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 02:43:45,403 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:45,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 02:43:45,443 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 02:43:45,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:45,452 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:43:45,452 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:43:45,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:43:45,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:43:45,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:43:45,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:45,453 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:43:45,453 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:43:45,453 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2022-11-23 02:43:45,453 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:43:45,453 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:43:45,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,495 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,531 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:45,791 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:43:45,797 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:43:45,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:45,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:45,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:45,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:45,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:45,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:45,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:45,822 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 02:43:45,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:45,825 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 02:43:45,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:45,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 02:43:45,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:45,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:45,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:45,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:45,863 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:45,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:45,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 02:43:45,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:45,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:45,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:45,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:43:45,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:45,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:43:45,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:45,898 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:43:45,902 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-23 02:43:45,902 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-23 02:43:45,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:45,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:45,923 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:45,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 02:43:45,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:43:45,929 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-23 02:43:45,929 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:43:45,929 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-11-23 02:43:45,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-23 02:43:45,938 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-23 02:43:45,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:46,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:43:46,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:43:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:46,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:43:46,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:43:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:46,201 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 02:43:46,202 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 159 states and 276 transitions. cyclomatic complexity: 118 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) [2022-11-23 02:43:46,305 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 159 states and 276 transitions. cyclomatic complexity: 118. 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 500 states and 860 transitions. Complement of second has 5 states. [2022-11-23 02:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-23 02:43:46,308 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) [2022-11-23 02:43:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2022-11-23 02:43:46,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-23 02:43:46,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:46,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-23 02:43:46,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:46,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-23 02:43:46,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:46,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 500 states and 860 transitions. [2022-11-23 02:43:46,324 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 333 [2022-11-23 02:43:46,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 500 states to 500 states and 860 transitions. [2022-11-23 02:43:46,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 382 [2022-11-23 02:43:46,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 386 [2022-11-23 02:43:46,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 500 states and 860 transitions. [2022-11-23 02:43:46,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:46,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 500 states and 860 transitions. [2022-11-23 02:43:46,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states and 860 transitions. [2022-11-23 02:43:46,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 385. [2022-11-23 02:43:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 385 states have (on average 1.7246753246753246) internal successors, (664), 384 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 664 transitions. [2022-11-23 02:43:46,358 INFO L240 hiAutomatonCegarLoop]: Abstraction has 385 states and 664 transitions. [2022-11-23 02:43:46,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:46,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:46,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:46,359 INFO L87 Difference]: Start difference. First operand 385 states and 664 transitions. 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) [2022-11-23 02:43:46,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:46,386 INFO L93 Difference]: Finished difference Result 316 states and 521 transitions. [2022-11-23 02:43:46,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 521 transitions. [2022-11-23 02:43:46,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2022-11-23 02:43:46,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 521 transitions. [2022-11-23 02:43:46,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2022-11-23 02:43:46,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2022-11-23 02:43:46,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 521 transitions. [2022-11-23 02:43:46,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:46,393 INFO L218 hiAutomatonCegarLoop]: Abstraction has 316 states and 521 transitions. [2022-11-23 02:43:46,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 521 transitions. [2022-11-23 02:43:46,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2022-11-23 02:43:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.6487341772151898) internal successors, (521), 315 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 521 transitions. [2022-11-23 02:43:46,404 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 521 transitions. [2022-11-23 02:43:46,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:46,407 INFO L428 stractBuchiCegarLoop]: Abstraction has 316 states and 521 transitions. [2022-11-23 02:43:46,407 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-23 02:43:46,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 521 transitions. [2022-11-23 02:43:46,409 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2022-11-23 02:43:46,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:46,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:46,410 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:46,410 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:46,411 INFO L748 eck$LassoCheckResult]: Stem: 3099#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(10, 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; 2990#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; 2991#L408 assume !(1 == ~c_req_up~0); 2927#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 3085#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 3104#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 3042#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 3043#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 3003#L439-1 assume !(0 == ~e_f~0); 2873#L444-1 assume !(0 == ~e_g~0); 2874#L449-1 assume !(0 == ~e_e~0); 3035#L454-1 assume !(0 == ~e_c~0); 3036#L459-1 assume !(0 == ~e_wl~0); 2938#L464-1 assume !(1 == ~wl_pc~0); 2939#L476 assume !(2 == ~wl_pc~0); 2936#L477 assume !(1 == ~c1_pc~0); 2917#L487 assume !(1 == ~c2_pc~0); 2919#L496 assume !(1 == ~wb_pc~0); 2959#L505 assume !(1 == ~e_c~0); 2960#L514-1 assume !(1 == ~e_e~0); 2982#L519-1 assume !(1 == ~e_f~0); 2992#L524-1 assume !(1 == ~e_g~0); 2993#L529-1 assume !(1 == ~e_c~0); 2867#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2868#L676-1 [2022-11-23 02:43:46,411 INFO L750 eck$LassoCheckResult]: Loop: 2868#L676-1 assume !false; 2870#L546 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; 3133#L381 assume !false; 3132#L299 assume !(0 == ~wl_st~0); 3131#L303 assume !(0 == ~c1_st~0); 3130#L306 assume !(0 == ~c2_st~0); 3129#L309 assume !(0 == ~wb_st~0); 3128#L312 assume !(0 == ~r_st~0); 3114#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 3112#L552 assume !(1 == ~c_req_up~0); 3111#L552-2 start_simulation_~kernel_st~0#1 := 3; 3110#L564 assume !(0 == ~e_f~0); 2915#L564-2 assume !(0 == ~e_g~0); 2916#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 3109#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 2895#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 2896#L584-1 assume !(1 == ~wl_pc~0); 3010#L596 assume !(2 == ~wl_pc~0); 3012#L597 assume !(1 == ~c1_pc~0); 3063#L607 assume !(1 == ~c2_pc~0); 3120#L616 assume !(1 == ~wb_pc~0); 3100#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 3101#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 3118#L639-1 assume !(1 == ~e_f~0); 3117#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 3116#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 2994#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2928#L659-1 assume 0 == ~wl_st~0; 2868#L676-1 [2022-11-23 02:43:46,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:46,411 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2022-11-23 02:43:46,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:46,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005312500] [2022-11-23 02:43:46,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:46,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:46,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:46,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005312500] [2022-11-23 02:43:46,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005312500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:46,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:46,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:46,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697132537] [2022-11-23 02:43:46,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:46,486 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:46,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:46,487 INFO L85 PathProgramCache]: Analyzing trace with hash 34372350, now seen corresponding path program 1 times [2022-11-23 02:43:46,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:46,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764292310] [2022-11-23 02:43:46,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:46,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:46,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764292310] [2022-11-23 02:43:46,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764292310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:46,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:46,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:43:46,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895354549] [2022-11-23 02:43:46,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:46,537 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 02:43:46,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:46,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:43:46,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:43:46,539 INFO L87 Difference]: Start difference. First operand 316 states and 521 transitions. cyclomatic complexity: 208 Second operand has 4 states, 3 states have (on average 8.0) 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) [2022-11-23 02:43:46,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:46,644 INFO L93 Difference]: Finished difference Result 597 states and 967 transitions. [2022-11-23 02:43:46,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 597 states and 967 transitions. [2022-11-23 02:43:46,649 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 313 [2022-11-23 02:43:46,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 597 states to 597 states and 967 transitions. [2022-11-23 02:43:46,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 390 [2022-11-23 02:43:46,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 390 [2022-11-23 02:43:46,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 597 states and 967 transitions. [2022-11-23 02:43:46,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:46,655 INFO L218 hiAutomatonCegarLoop]: Abstraction has 597 states and 967 transitions. [2022-11-23 02:43:46,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states and 967 transitions. [2022-11-23 02:43:46,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 595. [2022-11-23 02:43:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 595 states have (on average 1.6218487394957983) internal successors, (965), 594 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 965 transitions. [2022-11-23 02:43:46,667 INFO L240 hiAutomatonCegarLoop]: Abstraction has 595 states and 965 transitions. [2022-11-23 02:43:46,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:43:46,674 INFO L428 stractBuchiCegarLoop]: Abstraction has 595 states and 965 transitions. [2022-11-23 02:43:46,674 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-23 02:43:46,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 595 states and 965 transitions. [2022-11-23 02:43:46,677 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 313 [2022-11-23 02:43:46,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:46,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:46,678 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:46,679 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:46,679 INFO L748 eck$LassoCheckResult]: Stem: 4050#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(10, 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; 3916#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; 3917#L408 assume !(1 == ~c_req_up~0); 4040#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 4152#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 4151#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 4150#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 4149#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 4148#L439-1 assume !(0 == ~e_f~0); 4147#L444-1 assume !(0 == ~e_g~0); 4146#L449-1 assume !(0 == ~e_e~0); 4145#L454-1 assume 0 == ~e_c~0;~e_c~0 := 1; 3968#L459-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 4044#L464-1 assume !(1 == ~wl_pc~0); 4090#L476 assume !(2 == ~wl_pc~0); 4089#L477 assume !(1 == ~c1_pc~0); 3839#L487 assume !(1 == ~c2_pc~0); 3841#L496 assume !(1 == ~wb_pc~0); 3882#L505 assume !(1 == ~e_c~0); 3883#L514-1 assume !(1 == ~e_e~0); 3907#L519-1 assume !(1 == ~e_f~0); 3918#L524-1 assume !(1 == ~e_g~0); 3919#L529-1 assume !(1 == ~e_c~0); 4068#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 4206#L676-1 [2022-11-23 02:43:46,679 INFO L750 eck$LassoCheckResult]: Loop: 4206#L676-1 assume !false; 4199#L546 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; 4196#L381 assume !false; 4195#L299 assume !(0 == ~wl_st~0); 4194#L303 assume !(0 == ~c1_st~0); 4193#L306 assume !(0 == ~c2_st~0); 4192#L309 assume !(0 == ~wb_st~0); 4190#L312 assume !(0 == ~r_st~0); 4189#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 4187#L552 assume !(1 == ~c_req_up~0); 4186#L552-2 start_simulation_~kernel_st~0#1 := 3; 4185#L564 assume !(0 == ~e_f~0); 4184#L564-2 assume !(0 == ~e_g~0); 4183#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 4181#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 4182#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 4247#L584-1 assume 1 == ~wl_pc~0; 4240#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 4238#L597 assume !(1 == ~c1_pc~0); 4236#L607 assume !(1 == ~c2_pc~0); 4232#L616 assume !(1 == ~wb_pc~0); 4228#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 4226#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 4224#L639-1 assume !(1 == ~e_f~0); 4222#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 4220#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 4217#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 4211#L659-1 assume 0 == ~wl_st~0; 4206#L676-1 [2022-11-23 02:43:46,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:46,680 INFO L85 PathProgramCache]: Analyzing trace with hash 584245653, now seen corresponding path program 1 times [2022-11-23 02:43:46,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:46,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714769213] [2022-11-23 02:43:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:46,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:46,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:46,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:46,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714769213] [2022-11-23 02:43:46,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714769213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:46,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:46,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:43:46,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218280067] [2022-11-23 02:43:46,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:46,770 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:46,770 INFO L85 PathProgramCache]: Analyzing trace with hash -514887371, now seen corresponding path program 1 times [2022-11-23 02:43:46,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:46,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317868653] [2022-11-23 02:43:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:46,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:46,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:46,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:47,086 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:43:47,086 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:43:47,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:43:47,086 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:43:47,087 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 02:43:47,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:43:47,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:43:47,087 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration8_Loop [2022-11-23 02:43:47,087 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:43:47,088 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:43:47,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,101 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,147 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,149 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,177 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,413 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:43:47,413 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 02:43:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:47,415 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:47,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:47,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:47,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 02:43:47,442 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:47,442 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:43:47,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:47,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:47,452 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:47,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:47,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:47,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 02:43:47,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:47,478 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: [] [2022-11-23 02:43:47,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:47,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:47,485 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:47,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 02:43:47,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:47,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:47,516 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:47,516 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: [] [2022-11-23 02:43:47,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:47,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:47,525 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:47,532 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:47,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:47,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 02:43:47,554 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:47,554 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:43:47,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:47,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:47,564 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:47,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:47,572 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:47,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 02:43:47,607 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:47,608 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: [] [2022-11-23 02:43:47,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:47,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:47,618 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:47,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:47,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:47,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-23 02:43:47,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:47,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:47,649 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:47,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 02:43:47,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:47,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-23 02:43:47,693 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 02:43:47,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:47,702 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:43:47,702 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:43:47,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:43:47,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:43:47,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:43:47,702 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:47,702 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:43:47,702 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:43:47,702 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration8_Loop [2022-11-23 02:43:47,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:43:47,703 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:43:47,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:47,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:48,020 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:43:48,021 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:43:48,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:48,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:48,022 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:48,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:48,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:48,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:48,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:48,041 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 02:43:48,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:48,042 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 02:43:48,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:48,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-23 02:43:48,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:48,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:48,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:48,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:48,060 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:48,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:48,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:48,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:48,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:48,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:43:48,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:48,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:43:48,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:48,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-23 02:43:48,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:48,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:48,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:48,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:48,112 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:48,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:48,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:48,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:48,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:48,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:43:48,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:48,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:43:48,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:48,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-23 02:43:48,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:48,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:48,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:48,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:48,169 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:48,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-23 02:43:48,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:48,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:48,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:48,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:48,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:43:48,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:48,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:43:48,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:48,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:48,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:48,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:48,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:48,205 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:48,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:48,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:48,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:48,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:48,236 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 02:43:48,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:48,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-23 02:43:48,237 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 02:43:48,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:48,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:48,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:48,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:48,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:48,269 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:48,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-23 02:43:48,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:48,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:48,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:48,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:48,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:43:48,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:48,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:43:48,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:48,298 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:43:48,301 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-23 02:43:48,301 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-23 02:43:48,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:48,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:48,302 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:48,308 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:43:48,309 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-23 02:43:48,309 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:43:48,309 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-11-23 02:43:48,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-23 02:43:48,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:48,315 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-23 02:43:48,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:48,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:43:48,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:43:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:48,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:43:48,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:43:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:48,501 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 02:43:48,501 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 595 states and 965 transitions. cyclomatic complexity: 375 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) [2022-11-23 02:43:48,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:48,559 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 595 states and 965 transitions. cyclomatic complexity: 375. 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 933 states and 1520 transitions. Complement of second has 5 states. [2022-11-23 02:43:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-23 02:43:48,561 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) [2022-11-23 02:43:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2022-11-23 02:43:48,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-23 02:43:48,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:48,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-23 02:43:48,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:48,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-23 02:43:48,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:48,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 933 states and 1520 transitions. [2022-11-23 02:43:48,575 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 533 [2022-11-23 02:43:48,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 933 states to 933 states and 1520 transitions. [2022-11-23 02:43:48,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 610 [2022-11-23 02:43:48,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 614 [2022-11-23 02:43:48,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 933 states and 1520 transitions. [2022-11-23 02:43:48,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:48,584 INFO L218 hiAutomatonCegarLoop]: Abstraction has 933 states and 1520 transitions. [2022-11-23 02:43:48,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states and 1520 transitions. [2022-11-23 02:43:48,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 595. [2022-11-23 02:43:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 595 states have (on average 1.6218487394957983) internal successors, (965), 594 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 965 transitions. [2022-11-23 02:43:48,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 595 states and 965 transitions. [2022-11-23 02:43:48,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:48,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:43:48,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:43:48,602 INFO L87 Difference]: Start difference. First operand 595 states and 965 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) [2022-11-23 02:43:48,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:48,687 INFO L93 Difference]: Finished difference Result 1015 states and 1639 transitions. [2022-11-23 02:43:48,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1015 states and 1639 transitions. [2022-11-23 02:43:48,694 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 498 [2022-11-23 02:43:48,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1015 states to 1015 states and 1639 transitions. [2022-11-23 02:43:48,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 618 [2022-11-23 02:43:48,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 618 [2022-11-23 02:43:48,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1015 states and 1639 transitions. [2022-11-23 02:43:48,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:48,702 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1015 states and 1639 transitions. [2022-11-23 02:43:48,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states and 1639 transitions. [2022-11-23 02:43:48,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 600. [2022-11-23 02:43:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 600 states have (on average 1.61) internal successors, (966), 599 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 966 transitions. [2022-11-23 02:43:48,718 INFO L240 hiAutomatonCegarLoop]: Abstraction has 600 states and 966 transitions. [2022-11-23 02:43:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:43:48,719 INFO L428 stractBuchiCegarLoop]: Abstraction has 600 states and 966 transitions. [2022-11-23 02:43:48,719 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-23 02:43:48,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 600 states and 966 transitions. [2022-11-23 02:43:48,722 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 319 [2022-11-23 02:43:48,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:48,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:48,723 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:48,723 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:48,725 INFO L748 eck$LassoCheckResult]: Stem: 7407#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(10, 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; 7235#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; 7236#L408 assume !(1 == ~c_req_up~0); 7369#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 7370#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 7417#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 7418#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 7408#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 7409#L439-1 assume !(0 == ~e_f~0); 7114#L444-1 assume !(0 == ~e_g~0); 7115#L449-1 assume !(0 == ~e_e~0); 7291#L454-1 assume !(0 == ~e_c~0); 7292#L459-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 7181#L464-1 assume !(1 == ~wl_pc~0); 7182#L476 assume !(2 == ~wl_pc~0); 7444#L477 assume !(1 == ~c1_pc~0); 7442#L487 assume !(1 == ~c2_pc~0); 7440#L496 assume !(1 == ~wb_pc~0); 7438#L505 assume !(1 == ~e_c~0); 7437#L514-1 assume !(1 == ~e_e~0); 7436#L519-1 assume !(1 == ~e_f~0); 7435#L524-1 assume !(1 == ~e_g~0); 7434#L529-1 assume !(1 == ~e_c~0); 7433#L534-1 assume !(1 == ~e_wl~0); 7109#L676-1 assume !false; 7111#L546 [2022-11-23 02:43:48,725 INFO L750 eck$LassoCheckResult]: Loop: 7111#L546 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; 7325#L381 assume !false; 7326#L299 assume !(0 == ~wl_st~0); 7412#L303 assume !(0 == ~c1_st~0); 7413#L306 assume !(0 == ~c2_st~0); 7424#L309 assume !(0 == ~wb_st~0); 7427#L312 assume !(0 == ~r_st~0); 7419#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 7242#L552 assume !(1 == ~c_req_up~0); 7243#L552-2 start_simulation_~kernel_st~0#1 := 3; 7146#L564 assume !(0 == ~e_f~0); 7147#L564-2 assume !(0 == ~e_g~0); 7116#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 7117#L574-1 assume !(0 == ~e_c~0); 7136#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 7137#L584-1 assume 1 == ~wl_pc~0; 7652#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 7650#L597 assume !(1 == ~c1_pc~0); 7648#L607 assume !(1 == ~c2_pc~0); 7646#L616 assume !(1 == ~wb_pc~0); 7644#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 7643#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 7642#L639-1 assume !(1 == ~e_f~0); 7641#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 7533#L649-1 assume !(1 == ~e_c~0); 7530#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7171#L659-1 assume 0 == ~wl_st~0; 7110#L676-1 assume !false; 7111#L546 [2022-11-23 02:43:48,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:48,726 INFO L85 PathProgramCache]: Analyzing trace with hash -79370950, now seen corresponding path program 1 times [2022-11-23 02:43:48,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:48,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752756659] [2022-11-23 02:43:48,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:48,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:48,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:48,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752756659] [2022-11-23 02:43:48,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752756659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:48,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:48,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:43:48,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524658989] [2022-11-23 02:43:48,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:48,769 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:48,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1109190157, now seen corresponding path program 1 times [2022-11-23 02:43:48,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:48,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525897126] [2022-11-23 02:43:48,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:48,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:48,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:48,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525897126] [2022-11-23 02:43:48,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525897126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:48,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:48,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:48,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938813770] [2022-11-23 02:43:48,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:48,792 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 02:43:48,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:48,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:43:48,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:43:48,792 INFO L87 Difference]: Start difference. First operand 600 states and 966 transitions. cyclomatic complexity: 371 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) [2022-11-23 02:43:48,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:48,852 INFO L93 Difference]: Finished difference Result 1248 states and 1981 transitions. [2022-11-23 02:43:48,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1248 states and 1981 transitions. [2022-11-23 02:43:48,860 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 710 [2022-11-23 02:43:48,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1248 states to 1248 states and 1981 transitions. [2022-11-23 02:43:48,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 796 [2022-11-23 02:43:48,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 796 [2022-11-23 02:43:48,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1248 states and 1981 transitions. [2022-11-23 02:43:48,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:48,868 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1248 states and 1981 transitions. [2022-11-23 02:43:48,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states and 1981 transitions. [2022-11-23 02:43:48,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 800. [2022-11-23 02:43:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 800 states have (on average 1.58875) internal successors, (1271), 799 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1271 transitions. [2022-11-23 02:43:48,885 INFO L240 hiAutomatonCegarLoop]: Abstraction has 800 states and 1271 transitions. [2022-11-23 02:43:48,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:43:48,886 INFO L428 stractBuchiCegarLoop]: Abstraction has 800 states and 1271 transitions. [2022-11-23 02:43:48,886 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-23 02:43:48,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 800 states and 1271 transitions. [2022-11-23 02:43:48,890 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 465 [2022-11-23 02:43:48,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:48,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:48,890 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:48,890 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:48,891 INFO L748 eck$LassoCheckResult]: Stem: 9242#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(10, 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; 9089#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; 9090#L408 assume !(1 == ~c_req_up~0); 9207#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 9208#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 9255#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 9154#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 9155#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 9243#L439-1 assume !(0 == ~e_f~0); 8972#L444-1 assume !(0 == ~e_g~0); 8973#L449-1 assume !(0 == ~e_e~0); 9143#L454-1 assume !(0 == ~e_c~0); 9144#L459-1 assume !(0 == ~e_wl~0); 9037#L464-1 assume !(1 == ~wl_pc~0); 9038#L476 assume !(2 == ~wl_pc~0); 9034#L477 assume !(1 == ~c1_pc~0); 9036#L487 assume !(1 == ~c2_pc~0); 9209#L496 assume !(1 == ~wb_pc~0); 9210#L505 assume !(1 == ~e_c~0); 9269#L514-1 assume !(1 == ~e_e~0); 9264#L519-1 assume !(1 == ~e_f~0); 9095#L524-1 assume !(1 == ~e_g~0); 9096#L529-1 assume !(1 == ~e_c~0); 9263#L534-1 assume !(1 == ~e_wl~0); 9277#L676-1 assume !false; 9278#L546 [2022-11-23 02:43:48,891 INFO L750 eck$LassoCheckResult]: Loop: 9278#L546 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; 9709#L381 assume !false; 9708#L299 assume !(0 == ~wl_st~0); 9707#L303 assume !(0 == ~c1_st~0); 9706#L306 assume !(0 == ~c2_st~0); 9705#L309 assume !(0 == ~wb_st~0); 9607#L312 assume !(0 == ~r_st~0); 9252#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 9097#L552 assume !(1 == ~c_req_up~0); 9098#L552-2 start_simulation_~kernel_st~0#1 := 3; 9002#L564 assume !(0 == ~e_f~0); 9003#L564-2 assume !(0 == ~e_g~0); 8974#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 8975#L574-1 assume !(0 == ~e_c~0); 8994#L579-1 assume !(0 == ~e_wl~0); 8995#L584-1 assume !(1 == ~wl_pc~0); 9116#L596 assume !(2 == ~wl_pc~0); 9118#L597 assume !(1 == ~c1_pc~0); 9046#L607 assume !(1 == ~c2_pc~0); 9047#L616 assume !(1 == ~wb_pc~0); 9178#L625 assume !(1 == ~e_c~0); 9244#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 9765#L639-1 assume !(1 == ~e_f~0); 9764#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 9763#L649-1 assume !(1 == ~e_c~0); 9762#L654-1 assume !(1 == ~e_wl~0); 9760#L659-1 assume 0 == ~wl_st~0; 9616#L676-1 assume !false; 9278#L546 [2022-11-23 02:43:48,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:48,891 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2022-11-23 02:43:48,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:48,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659468506] [2022-11-23 02:43:48,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:48,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:48,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:48,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:48,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:48,907 INFO L85 PathProgramCache]: Analyzing trace with hash -864089630, now seen corresponding path program 1 times [2022-11-23 02:43:48,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:48,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687790470] [2022-11-23 02:43:48,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:48,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:48,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:48,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687790470] [2022-11-23 02:43:48,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687790470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:48,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:48,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:48,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240469958] [2022-11-23 02:43:48,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:48,927 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 02:43:48,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:48,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:48,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:48,928 INFO L87 Difference]: Start difference. First operand 800 states and 1271 transitions. cyclomatic complexity: 476 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) [2022-11-23 02:43:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:48,957 INFO L93 Difference]: Finished difference Result 1241 states and 1961 transitions. [2022-11-23 02:43:48,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1241 states and 1961 transitions. [2022-11-23 02:43:48,964 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 739 [2022-11-23 02:43:48,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1241 states to 1241 states and 1961 transitions. [2022-11-23 02:43:48,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 799 [2022-11-23 02:43:48,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 799 [2022-11-23 02:43:48,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1241 states and 1961 transitions. [2022-11-23 02:43:48,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:48,972 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1241 states and 1961 transitions. [2022-11-23 02:43:48,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states and 1961 transitions. [2022-11-23 02:43:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1241. [2022-11-23 02:43:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1241 states have (on average 1.5801772763900082) internal successors, (1961), 1240 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1961 transitions. [2022-11-23 02:43:48,997 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1241 states and 1961 transitions. [2022-11-23 02:43:48,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:48,998 INFO L428 stractBuchiCegarLoop]: Abstraction has 1241 states and 1961 transitions. [2022-11-23 02:43:48,998 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-23 02:43:48,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1241 states and 1961 transitions. [2022-11-23 02:43:49,004 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 739 [2022-11-23 02:43:49,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:49,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:49,005 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:49,005 INFO L149 hiAutomatonCegarLoop]: 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, 1] [2022-11-23 02:43:49,005 INFO L748 eck$LassoCheckResult]: Stem: 11294#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(10, 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; 11137#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; 11138#L408 assume !(1 == ~c_req_up~0); 11255#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 11256#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 11303#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 11304#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 11295#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 11296#L439-1 assume !(0 == ~e_f~0); 11019#L444-1 assume !(0 == ~e_g~0); 11020#L449-1 assume !(0 == ~e_e~0); 11188#L454-1 assume !(0 == ~e_c~0); 11189#L459-1 assume !(0 == ~e_wl~0); 11284#L464-1 assume !(1 == ~wl_pc~0); 11331#L476 assume !(2 == ~wl_pc~0); 11330#L477 assume !(1 == ~c1_pc~0); 11069#L487 assume !(1 == ~c2_pc~0); 11071#L496 assume !(1 == ~wb_pc~0); 11106#L505 assume !(1 == ~e_c~0); 11107#L514-1 assume !(1 == ~e_e~0); 11321#L519-1 assume !(1 == ~e_f~0); 11141#L524-1 assume !(1 == ~e_g~0); 11142#L529-1 assume !(1 == ~e_c~0); 11320#L534-1 assume !(1 == ~e_wl~0); 11462#L676-1 assume !false; 11463#L546 [2022-11-23 02:43:49,005 INFO L750 eck$LassoCheckResult]: Loop: 11463#L546 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; 12154#L381 assume !false; 11823#L299 assume !(0 == ~wl_st~0); 11130#L303 assume !(0 == ~c1_st~0); 11309#L306 assume !(0 == ~c2_st~0); 11310#L309 assume !(0 == ~wb_st~0); 11313#L312 assume !(0 == ~r_st~0); 11305#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 11306#L552 assume !(1 == ~c_req_up~0); 12147#L552-2 start_simulation_~kernel_st~0#1 := 3; 11049#L564 assume !(0 == ~e_f~0); 11050#L564-2 assume !(0 == ~e_g~0); 11021#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 11022#L574-1 assume !(0 == ~e_c~0); 11041#L579-1 assume !(0 == ~e_wl~0); 11042#L584-1 assume !(1 == ~wl_pc~0); 11162#L596 assume 2 == ~wl_pc~0; 11163#L598 assume 1 == ~e_e~0;~wl_st~0 := 0; 11287#L597 assume !(1 == ~c1_pc~0); 11094#L607 assume !(1 == ~c2_pc~0); 11095#L616 assume !(1 == ~wb_pc~0); 12175#L625 assume !(1 == ~e_c~0); 12174#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 12171#L639-1 assume !(1 == ~e_f~0); 12166#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 12165#L649-1 assume !(1 == ~e_c~0); 12164#L654-1 assume !(1 == ~e_wl~0); 12162#L659-1 assume 0 == ~wl_st~0; 12161#L676-1 assume !false; 11463#L546 [2022-11-23 02:43:49,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:49,006 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 2 times [2022-11-23 02:43:49,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:49,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322765291] [2022-11-23 02:43:49,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:49,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:49,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:49,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:49,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:49,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1766031718, now seen corresponding path program 1 times [2022-11-23 02:43:49,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:49,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180342426] [2022-11-23 02:43:49,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:49,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:49,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:49,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:49,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:49,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1128637889, now seen corresponding path program 1 times [2022-11-23 02:43:49,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:49,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385064551] [2022-11-23 02:43:49,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:49,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:49,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:49,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385064551] [2022-11-23 02:43:49,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385064551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:49,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:49,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:49,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296292246] [2022-11-23 02:43:49,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:49,337 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:43:49,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:43:49,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:43:49,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:43:49,338 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 02:43:49,338 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:49,338 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:43:49,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:43:49,339 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration11_Loop [2022-11-23 02:43:49,339 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:43:49,339 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:43:49,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,388 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,421 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,697 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:43:49,697 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 02:43:49,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:49,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:49,703 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:49,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:49,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:49,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-23 02:43:49,732 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:49,732 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:43:49,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:49,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:49,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:49,737 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:49,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:49,744 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:49,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-23 02:43:49,771 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:49,772 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: [] [2022-11-23 02:43:49,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:49,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:49,780 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:49,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:49,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:49,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-23 02:43:49,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:43:49,812 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: [] [2022-11-23 02:43:49,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:49,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:49,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:49,821 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:49,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:43:49,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:49,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-23 02:43:49,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:49,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:49,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:49,858 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:49,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 02:43:49,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:43:49,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-23 02:43:49,891 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 02:43:49,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:49,899 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:43:49,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:43:49,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:43:49,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:43:49,900 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:43:49,900 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:49,900 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:43:49,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:43:49,900 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration11_Loop [2022-11-23 02:43:49,900 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:43:49,900 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:43:49,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,947 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,950 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,971 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:49,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:43:50,200 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:43:50,200 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:43:50,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:50,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:50,202 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:50,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:50,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:50,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:50,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:50,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:43:50,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:50,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:43:50,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:50,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-23 02:43:50,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:50,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:50,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:50,244 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:50,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:50,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:50,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:50,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:50,260 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 02:43:50,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:50,261 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 02:43:50,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:50,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-23 02:43:50,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:50,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:50,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:50,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:50,276 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:50,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:50,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:50,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:50,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:50,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:43:50,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:50,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:43:50,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:50,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-23 02:43:50,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:43:50,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:50,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:50,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:50,318 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:50,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:43:50,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:43:50,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:43:50,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:43:50,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:43:50,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:43:50,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-23 02:43:50,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:43:50,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:43:50,355 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:43:50,358 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-23 02:43:50,358 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-23 02:43:50,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:43:50,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:50,360 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:50,364 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:43:50,364 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-23 02:43:50,364 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:43:50,364 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2022-11-23 02:43:50,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-23 02:43:50,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:50,371 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-23 02:43:50,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:50,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:43:50,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:43:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:50,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:43:50,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:43:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:50,541 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 02:43:50,542 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1241 states and 1961 transitions. cyclomatic complexity: 725 Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:50,581 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1241 states and 1961 transitions. cyclomatic complexity: 725. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 3166 states and 4998 transitions. Complement of second has 5 states. [2022-11-23 02:43:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-23 02:43:50,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:50,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2022-11-23 02:43:50,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 197 transitions. Stem has 25 letters. Loop has 29 letters. [2022-11-23 02:43:50,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:50,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 197 transitions. Stem has 54 letters. Loop has 29 letters. [2022-11-23 02:43:50,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:50,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 197 transitions. Stem has 25 letters. Loop has 58 letters. [2022-11-23 02:43:50,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:43:50,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3166 states and 4998 transitions. [2022-11-23 02:43:50,603 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1320 [2022-11-23 02:43:50,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3166 states to 3166 states and 4998 transitions. [2022-11-23 02:43:50,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1384 [2022-11-23 02:43:50,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1401 [2022-11-23 02:43:50,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3166 states and 4998 transitions. [2022-11-23 02:43:50,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:50,621 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3166 states and 4998 transitions. [2022-11-23 02:43:50,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states and 4998 transitions. [2022-11-23 02:43:50,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3149. [2022-11-23 02:43:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 3149 states have (on average 1.577961257542077) internal successors, (4969), 3148 states have internal predecessors, (4969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:50,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-23 02:43:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4969 transitions. [2022-11-23 02:43:50,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3149 states and 4969 transitions. [2022-11-23 02:43:50,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:50,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:50,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:50,718 INFO L87 Difference]: Start difference. First operand 3149 states and 4969 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:50,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:50,757 INFO L93 Difference]: Finished difference Result 3149 states and 4917 transitions. [2022-11-23 02:43:50,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3149 states and 4917 transitions. [2022-11-23 02:43:50,778 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1320 [2022-11-23 02:43:50,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3149 states to 3149 states and 4917 transitions. [2022-11-23 02:43:50,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1384 [2022-11-23 02:43:50,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1384 [2022-11-23 02:43:50,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3149 states and 4917 transitions. [2022-11-23 02:43:50,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:50,797 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3149 states and 4917 transitions. [2022-11-23 02:43:50,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states and 4917 transitions. [2022-11-23 02:43:50,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3149. [2022-11-23 02:43:50,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 3149 states have (on average 1.5614480787551603) internal successors, (4917), 3148 states have internal predecessors, (4917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4917 transitions. [2022-11-23 02:43:50,864 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3149 states and 4917 transitions. [2022-11-23 02:43:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:50,865 INFO L428 stractBuchiCegarLoop]: Abstraction has 3149 states and 4917 transitions. [2022-11-23 02:43:50,865 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-23 02:43:50,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3149 states and 4917 transitions. [2022-11-23 02:43:50,877 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1320 [2022-11-23 02:43:50,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:50,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:50,878 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:50,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:50,879 INFO L748 eck$LassoCheckResult]: Stem: 22179#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(10, 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; 22024#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; 22025#L408 assume !(1 == ~c_req_up~0); 21959#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 22205#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 22187#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 22188#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 22201#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 22200#L439-1 assume !(0 == ~e_f~0); 21908#L444-1 assume !(0 == ~e_g~0); 21909#L449-1 assume !(0 == ~e_e~0); 22075#L454-1 assume !(0 == ~e_c~0); 22076#L459-1 assume !(0 == ~e_wl~0); 22173#L464-1 assume !(1 == ~wl_pc~0); 22212#L476 assume !(2 == ~wl_pc~0); 22211#L477 assume !(1 == ~c1_pc~0); 21949#L487 assume !(1 == ~c2_pc~0); 21951#L496 assume !(1 == ~wb_pc~0); 21990#L505 assume !(1 == ~e_c~0); 21991#L514-1 assume !(1 == ~e_e~0); 22015#L519-1 assume !(1 == ~e_f~0); 22026#L524-1 assume !(1 == ~e_g~0); 22027#L529-1 assume !(1 == ~e_c~0); 21902#L534-1 assume !(1 == ~e_wl~0); 21903#L676-1 assume !false; 22631#L546 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; 24429#L381 [2022-11-23 02:43:50,879 INFO L750 eck$LassoCheckResult]: Loop: 24429#L381 assume !false; 24586#L299 assume 0 == ~wl_st~0; 24585#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 22111#L325 assume !(0 != eval_~tmp~0#1); 22112#L321 assume !(0 == ~c1_st~0); 24521#L336 assume !(0 == ~c2_st~0); 24517#L351 assume !(0 == ~wb_st~0); 24513#L366 assume !(0 == ~r_st~0); 24429#L381 [2022-11-23 02:43:50,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:50,880 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-11-23 02:43:50,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:50,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304820208] [2022-11-23 02:43:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:50,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:50,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:50,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:50,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:50,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1282723830, now seen corresponding path program 1 times [2022-11-23 02:43:50,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:50,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064352972] [2022-11-23 02:43:50,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:50,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:50,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:50,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:50,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:50,902 INFO L85 PathProgramCache]: Analyzing trace with hash 363769326, now seen corresponding path program 1 times [2022-11-23 02:43:50,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:50,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704585453] [2022-11-23 02:43:50,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:50,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:50,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:50,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704585453] [2022-11-23 02:43:50,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704585453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:50,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:50,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:50,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478207547] [2022-11-23 02:43:50,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:50,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:50,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:50,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:50,965 INFO L87 Difference]: Start difference. First operand 3149 states and 4917 transitions. cyclomatic complexity: 1783 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) [2022-11-23 02:43:51,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:51,002 INFO L93 Difference]: Finished difference Result 4634 states and 7109 transitions. [2022-11-23 02:43:51,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4634 states and 7109 transitions. [2022-11-23 02:43:51,024 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1978 [2022-11-23 02:43:51,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4634 states to 4634 states and 7109 transitions. [2022-11-23 02:43:51,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2042 [2022-11-23 02:43:51,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2042 [2022-11-23 02:43:51,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4634 states and 7109 transitions. [2022-11-23 02:43:51,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:51,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4634 states and 7109 transitions. [2022-11-23 02:43:51,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4634 states and 7109 transitions. [2022-11-23 02:43:51,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4634 to 4616. [2022-11-23 02:43:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4616 states, 4616 states have (on average 1.5361785095320624) internal successors, (7091), 4615 states have internal predecessors, (7091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4616 states to 4616 states and 7091 transitions. [2022-11-23 02:43:51,123 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4616 states and 7091 transitions. [2022-11-23 02:43:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:51,124 INFO L428 stractBuchiCegarLoop]: Abstraction has 4616 states and 7091 transitions. [2022-11-23 02:43:51,124 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-23 02:43:51,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4616 states and 7091 transitions. [2022-11-23 02:43:51,139 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1970 [2022-11-23 02:43:51,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:51,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:51,140 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:51,140 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:51,140 INFO L748 eck$LassoCheckResult]: Stem: 29979#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(10, 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; 29817#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; 29818#L408 assume !(1 == ~c_req_up~0); 29749#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 30000#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 29985#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 29986#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 29997#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 29996#L439-1 assume !(0 == ~e_f~0); 29699#L444-1 assume !(0 == ~e_g~0); 29700#L449-1 assume !(0 == ~e_e~0); 29868#L454-1 assume !(0 == ~e_c~0); 29869#L459-1 assume !(0 == ~e_wl~0); 29971#L464-1 assume !(1 == ~wl_pc~0); 30007#L476 assume !(2 == ~wl_pc~0); 30006#L477 assume !(1 == ~c1_pc~0); 29739#L487 assume !(1 == ~c2_pc~0); 29741#L496 assume !(1 == ~wb_pc~0); 29781#L505 assume !(1 == ~e_c~0); 29782#L514-1 assume !(1 == ~e_e~0); 29806#L519-1 assume !(1 == ~e_f~0); 29819#L524-1 assume !(1 == ~e_g~0); 29820#L529-1 assume !(1 == ~e_c~0); 29994#L534-1 assume !(1 == ~e_wl~0); 31210#L676-1 assume !false; 31211#L546 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; 32227#L381 [2022-11-23 02:43:51,141 INFO L750 eck$LassoCheckResult]: Loop: 32227#L381 assume !false; 32594#L299 assume 0 == ~wl_st~0; 32589#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 32587#L325 assume !(0 != eval_~tmp~0#1); 29894#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 29895#L340 assume !(0 != eval_~tmp___0~0#1); 29968#L336 assume !(0 == ~c2_st~0); 33852#L351 assume !(0 == ~wb_st~0); 32601#L366 assume !(0 == ~r_st~0); 32227#L381 [2022-11-23 02:43:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:51,141 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-11-23 02:43:51,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:51,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793606299] [2022-11-23 02:43:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:51,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:51,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1058006530, now seen corresponding path program 1 times [2022-11-23 02:43:51,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:51,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506702267] [2022-11-23 02:43:51,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:51,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:51,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:51,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1659779318, now seen corresponding path program 1 times [2022-11-23 02:43:51,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:51,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001152100] [2022-11-23 02:43:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:51,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:51,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:51,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001152100] [2022-11-23 02:43:51,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001152100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:51,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:51,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:51,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365681666] [2022-11-23 02:43:51,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:51,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:51,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:51,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:51,277 INFO L87 Difference]: Start difference. First operand 4616 states and 7091 transitions. cyclomatic complexity: 2490 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) [2022-11-23 02:43:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:51,321 INFO L93 Difference]: Finished difference Result 7194 states and 10846 transitions. [2022-11-23 02:43:51,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7194 states and 10846 transitions. [2022-11-23 02:43:51,354 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3096 [2022-11-23 02:43:51,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7194 states to 7194 states and 10846 transitions. [2022-11-23 02:43:51,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3210 [2022-11-23 02:43:51,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3210 [2022-11-23 02:43:51,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7194 states and 10846 transitions. [2022-11-23 02:43:51,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:51,390 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7194 states and 10846 transitions. [2022-11-23 02:43:51,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7194 states and 10846 transitions. [2022-11-23 02:43:51,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7194 to 7158. [2022-11-23 02:43:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7158 states, 7158 states have (on average 1.5101983794355964) internal successors, (10810), 7157 states have internal predecessors, (10810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7158 states to 7158 states and 10810 transitions. [2022-11-23 02:43:51,508 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7158 states and 10810 transitions. [2022-11-23 02:43:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:51,509 INFO L428 stractBuchiCegarLoop]: Abstraction has 7158 states and 10810 transitions. [2022-11-23 02:43:51,509 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-23 02:43:51,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7158 states and 10810 transitions. [2022-11-23 02:43:51,533 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3080 [2022-11-23 02:43:51,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:51,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:51,534 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:51,534 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:51,534 INFO L748 eck$LassoCheckResult]: Stem: 41794#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(10, 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; 41635#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; 41636#L408 assume !(1 == ~c_req_up~0); 41568#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 41803#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 41804#L424-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 41823#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 41820#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 41821#L439-1 assume !(0 == ~e_f~0); 41517#L444-1 assume !(0 == ~e_g~0); 41518#L449-1 assume !(0 == ~e_e~0); 41689#L454-1 assume !(0 == ~e_c~0); 41690#L459-1 assume !(0 == ~e_wl~0); 41841#L464-1 assume !(1 == ~wl_pc~0); 41840#L476 assume !(2 == ~wl_pc~0); 41835#L477 assume !(1 == ~c1_pc~0); 41558#L487 assume !(1 == ~c2_pc~0); 41560#L496 assume !(1 == ~wb_pc~0); 41599#L505 assume !(1 == ~e_c~0); 41600#L514-1 assume !(1 == ~e_e~0); 41624#L519-1 assume !(1 == ~e_f~0); 41637#L524-1 assume !(1 == ~e_g~0); 41638#L529-1 assume !(1 == ~e_c~0); 44712#L534-1 assume !(1 == ~e_wl~0); 45271#L676-1 assume !false; 45268#L546 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; 45262#L381 [2022-11-23 02:43:51,535 INFO L750 eck$LassoCheckResult]: Loop: 45262#L381 assume !false; 45260#L299 assume 0 == ~wl_st~0; 45258#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 45255#L325 assume !(0 != eval_~tmp~0#1); 44250#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 44246#L340 assume !(0 != eval_~tmp___0~0#1); 44241#L336 assume !(0 == ~c2_st~0); 44242#L351 assume !(0 == ~wb_st~0); 45266#L366 assume !(0 == ~r_st~0); 45262#L381 [2022-11-23 02:43:51,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-11-23 02:43:51,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:51,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484415216] [2022-11-23 02:43:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:51,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:51,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484415216] [2022-11-23 02:43:51,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484415216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:51,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:51,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:51,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561674237] [2022-11-23 02:43:51,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:51,559 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:43:51,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:51,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1058006530, now seen corresponding path program 2 times [2022-11-23 02:43:51,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:51,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854438993] [2022-11-23 02:43:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:51,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:51,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:51,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:51,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:51,614 INFO L87 Difference]: Start difference. First operand 7158 states and 10810 transitions. cyclomatic complexity: 3667 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) [2022-11-23 02:43:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:51,645 INFO L93 Difference]: Finished difference Result 7106 states and 10723 transitions. [2022-11-23 02:43:51,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7106 states and 10723 transitions. [2022-11-23 02:43:51,676 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3080 [2022-11-23 02:43:51,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7106 states to 7106 states and 10723 transitions. [2022-11-23 02:43:51,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3144 [2022-11-23 02:43:51,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3144 [2022-11-23 02:43:51,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7106 states and 10723 transitions. [2022-11-23 02:43:51,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:51,753 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7106 states and 10723 transitions. [2022-11-23 02:43:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7106 states and 10723 transitions. [2022-11-23 02:43:51,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7106 to 7106. [2022-11-23 02:43:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 7106 states have (on average 1.5090064734027582) internal successors, (10723), 7105 states have internal predecessors, (10723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10723 transitions. [2022-11-23 02:43:51,861 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7106 states and 10723 transitions. [2022-11-23 02:43:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:51,861 INFO L428 stractBuchiCegarLoop]: Abstraction has 7106 states and 10723 transitions. [2022-11-23 02:43:51,862 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-23 02:43:51,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7106 states and 10723 transitions. [2022-11-23 02:43:51,885 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3080 [2022-11-23 02:43:51,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:51,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:51,886 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:51,886 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:51,886 INFO L748 eck$LassoCheckResult]: Stem: 56066#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(10, 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; 55909#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; 55910#L408 assume !(1 == ~c_req_up~0); 56033#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 56034#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 56077#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 55970#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 55971#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 56067#L439-1 assume !(0 == ~e_f~0); 55787#L444-1 assume !(0 == ~e_g~0); 55788#L449-1 assume !(0 == ~e_e~0); 55959#L454-1 assume !(0 == ~e_c~0); 55960#L459-1 assume !(0 == ~e_wl~0); 55853#L464-1 assume !(1 == ~wl_pc~0); 55854#L476 assume !(2 == ~wl_pc~0); 55850#L477 assume !(1 == ~c1_pc~0); 55852#L487 assume !(1 == ~c2_pc~0); 56035#L496 assume !(1 == ~wb_pc~0); 56036#L505 assume !(1 == ~e_c~0); 56094#L514-1 assume !(1 == ~e_e~0); 56089#L519-1 assume !(1 == ~e_f~0); 55913#L524-1 assume !(1 == ~e_g~0); 55914#L529-1 assume !(1 == ~e_c~0); 56088#L534-1 assume !(1 == ~e_wl~0); 57662#L676-1 assume !false; 57663#L546 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; 59759#L381 [2022-11-23 02:43:51,886 INFO L750 eck$LassoCheckResult]: Loop: 59759#L381 assume !false; 59757#L299 assume 0 == ~wl_st~0; 59754#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 59752#L325 assume !(0 != eval_~tmp~0#1); 59753#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 60023#L340 assume !(0 != eval_~tmp___0~0#1); 60022#L336 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 60000#L355 assume !(0 != eval_~tmp___1~0#1); 60021#L351 assume !(0 == ~wb_st~0); 59761#L366 assume !(0 == ~r_st~0); 59759#L381 [2022-11-23 02:43:51,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:51,887 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-11-23 02:43:51,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:51,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519391708] [2022-11-23 02:43:51,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:51,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:51,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1563186686, now seen corresponding path program 1 times [2022-11-23 02:43:51,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:51,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641485527] [2022-11-23 02:43:51,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:51,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:51,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:51,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:51,907 INFO L85 PathProgramCache]: Analyzing trace with hash 84797946, now seen corresponding path program 1 times [2022-11-23 02:43:51,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:51,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61661588] [2022-11-23 02:43:51,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:51,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:51,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:51,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61661588] [2022-11-23 02:43:51,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61661588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:51,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:51,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:43:51,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918948088] [2022-11-23 02:43:51,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:51,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:51,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:51,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:51,995 INFO L87 Difference]: Start difference. First operand 7106 states and 10723 transitions. cyclomatic complexity: 3632 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) [2022-11-23 02:43:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:52,063 INFO L93 Difference]: Finished difference Result 12263 states and 18336 transitions. [2022-11-23 02:43:52,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12263 states and 18336 transitions. [2022-11-23 02:43:52,118 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 5356 [2022-11-23 02:43:52,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12263 states to 12263 states and 18336 transitions. [2022-11-23 02:43:52,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5422 [2022-11-23 02:43:52,240 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5422 [2022-11-23 02:43:52,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12263 states and 18336 transitions. [2022-11-23 02:43:52,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 02:43:52,247 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12263 states and 18336 transitions. [2022-11-23 02:43:52,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12263 states and 18336 transitions. [2022-11-23 02:43:52,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12263 to 12263. [2022-11-23 02:43:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12263 states, 12263 states have (on average 1.4952295523118324) internal successors, (18336), 12262 states have internal predecessors, (18336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:43:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12263 states to 12263 states and 18336 transitions. [2022-11-23 02:43:52,520 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12263 states and 18336 transitions. [2022-11-23 02:43:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:52,520 INFO L428 stractBuchiCegarLoop]: Abstraction has 12263 states and 18336 transitions. [2022-11-23 02:43:52,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-23 02:43:52,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12263 states and 18336 transitions. [2022-11-23 02:43:52,573 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 5356 [2022-11-23 02:43:52,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:43:52,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:43:52,578 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-23 02:43:52,578 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:52,578 INFO L748 eck$LassoCheckResult]: Stem: 75454#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(10, 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; 75282#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; 75283#L408 assume !(1 == ~c_req_up~0); 75415#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 75416#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 75467#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 75346#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 75347#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 75455#L439-1 assume !(0 == ~e_f~0); 75164#L444-1 assume !(0 == ~e_g~0); 75165#L449-1 assume !(0 == ~e_e~0); 75334#L454-1 assume !(0 == ~e_c~0); 75335#L459-1 assume !(0 == ~e_wl~0); 75228#L464-1 assume !(1 == ~wl_pc~0); 75229#L476 assume !(2 == ~wl_pc~0); 75225#L477 assume !(1 == ~c1_pc~0); 75227#L487 assume !(1 == ~c2_pc~0); 75417#L496 assume !(1 == ~wb_pc~0); 75418#L505 assume !(1 == ~e_c~0); 75484#L514-1 assume !(1 == ~e_e~0); 75478#L519-1 assume !(1 == ~e_f~0); 75286#L524-1 assume !(1 == ~e_g~0); 75287#L529-1 assume !(1 == ~e_c~0); 75158#L534-1 assume !(1 == ~e_wl~0); 75159#L676-1 assume !false; 77686#L546 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; 79975#L381 [2022-11-23 02:43:52,578 INFO L750 eck$LassoCheckResult]: Loop: 79975#L381 assume !false; 80367#L299 assume 0 == ~wl_st~0; 80365#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 80256#L325 assume !(0 != eval_~tmp~0#1); 80257#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 80511#L340 assume !(0 != eval_~tmp___0~0#1); 80509#L336 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 80493#L355 assume !(0 != eval_~tmp___1~0#1); 80505#L351 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 80317#L370 assume !(0 != eval_~tmp___2~0#1); 80473#L366 assume !(0 == ~r_st~0); 79975#L381 [2022-11-23 02:43:52,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:52,579 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2022-11-23 02:43:52,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:52,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198428128] [2022-11-23 02:43:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:52,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:52,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:52,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:52,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:52,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1214182410, now seen corresponding path program 1 times [2022-11-23 02:43:52,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:52,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751101761] [2022-11-23 02:43:52,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:52,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:52,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:52,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:52,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1666266370, now seen corresponding path program 1 times [2022-11-23 02:43:52,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:52,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273163960] [2022-11-23 02:43:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:52,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:52,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:52,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:43:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:53,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:43:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:43:53,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:43:53 BoogieIcfgContainer [2022-11-23 02:43:53,942 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 02:43:53,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:43:53,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:43:53,943 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:43:53,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:42" (3/4) ... [2022-11-23 02:43:53,946 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-23 02:43:54,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:43:54,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:43:54,004 INFO L158 Benchmark]: Toolchain (without parser) took 12862.71ms. Allocated memory was 163.6MB in the beginning and 329.3MB in the end (delta: 165.7MB). Free memory was 128.2MB in the beginning and 171.2MB in the end (delta: -43.1MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2022-11-23 02:43:54,004 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:43:54,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.87ms. Allocated memory is still 163.6MB. Free memory was 128.2MB in the beginning and 121.7MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 02:43:54,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.44ms. Allocated memory is still 163.6MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:43:54,005 INFO L158 Benchmark]: Boogie Preprocessor took 53.91ms. Allocated memory is still 163.6MB. Free memory was 119.6MB in the beginning and 117.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:43:54,005 INFO L158 Benchmark]: RCFGBuilder took 875.60ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 94.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 02:43:54,005 INFO L158 Benchmark]: BuchiAutomizer took 11314.40ms. Allocated memory was 163.6MB in the beginning and 329.3MB in the end (delta: 165.7MB). Free memory was 94.4MB in the beginning and 176.5MB in the end (delta: -82.1MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2022-11-23 02:43:54,006 INFO L158 Benchmark]: Witness Printer took 60.52ms. Allocated memory is still 329.3MB. Free memory was 176.5MB in the beginning and 171.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:43:54,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.87ms. Allocated memory is still 163.6MB. Free memory was 128.2MB in the beginning and 121.7MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.44ms. Allocated memory is still 163.6MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.91ms. Allocated memory is still 163.6MB. Free memory was 119.6MB in the beginning and 117.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 875.60ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 94.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 11314.40ms. Allocated memory was 163.6MB in the beginning and 329.3MB in the end (delta: 165.7MB). Free memory was 94.4MB in the beginning and 176.5MB in the end (delta: -82.1MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. * Witness Printer took 60.52ms. Allocated memory is still 329.3MB. Free memory was 176.5MB in the beginning and 171.2MB in the end (delta: 5.2MB). 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 18 terminating modules (15 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 -1 * e_e + 1 and consists of 3 locations. 15 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 12263 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.1s and 16 iterations. TraceHistogramMax:1. Analysis of lassos took 7.6s. Construction of modules took 0.3s. Büchi inclusion checks took 2.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 13. Automata minimization 0.9s AutomataMinimizationTime, 18 MinimizatonAttempts, 1389 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.5s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3827 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3824 mSDsluCounter, 7046 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2603 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 305 IncrementalHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 4443 mSDtfsCounter, 305 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT1 SILN1 SILU0 SILI6 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital81 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq182 hnf98 smp100 dnf190 smp75 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 298]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. 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 ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L714] CALL start_simulation() [L404] int kernel_st ; [L407] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L408] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L444] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L449] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L454] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L459] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L464] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L469] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L487] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L496] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L505] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L514] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L519] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L524] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L529] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L534] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L539] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L545] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L548] kernel_st = 1 [L549] CALL eval() [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L298] COND TRUE 1 [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 298]: 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 ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L714] CALL start_simulation() [L404] int kernel_st ; [L407] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L408] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L444] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L449] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L454] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L459] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L464] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L469] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L487] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L496] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L505] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L514] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L519] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L524] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L529] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L534] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L539] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L545] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L548] kernel_st = 1 [L549] CALL eval() [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L298] COND TRUE 1 [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-23 02:43:54,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86eec1d9-3e42-43e6-a75b-153b2285cac7/bin/uautomizer-QkZJyEgLgS/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)