./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt --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 f4cd6a09c2ca92f0964bf6dcd7808d358e7e20e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:39:05,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:39:05,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:39:05,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:39:05,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:39:05,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:39:05,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:39:05,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:39:05,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:39:05,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:39:05,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:39:05,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:39:05,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:39:05,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:39:05,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:39:05,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:39:05,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:39:05,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:39:05,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:39:05,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:39:05,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:39:05,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:39:05,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:39:05,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:39:05,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:39:05,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:39:05,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:39:05,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:39:05,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:39:05,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:39:05,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:39:05,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:39:05,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:39:05,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:39:05,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:39:05,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:39:05,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:39:05,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:39:05,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:39:05,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:39:05,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:39:05,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:39:05,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:39:05,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:39:05,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:39:05,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:39:05,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:39:05,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:39:05,716 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:39:05,716 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:39:05,717 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:39:05,717 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:39:05,718 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:39:05,718 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:39:05,718 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:39:05,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:39:05,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:39:05,719 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:39:05,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:39:05,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:39:05,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:39:05,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:39:05,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:39:05,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:39:05,720 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:39:05,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:39:05,720 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:39:05,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:39:05,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:39:05,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:39:05,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:39:05,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:39:05,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:39:05,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:39:05,724 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:39:05,725 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_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4cd6a09c2ca92f0964bf6dcd7808d358e7e20e1 [2021-10-13 00:39:06,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:39:06,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:39:06,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:39:06,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:39:06,049 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:39:06,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/systemc/toy1.cil.c [2021-10-13 00:39:06,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/data/0f2d405b5/7d58114671fd4b70ac0e27570bd96bc3/FLAG17cd7ebbe [2021-10-13 00:39:06,681 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:39:06,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/sv-benchmarks/c/systemc/toy1.cil.c [2021-10-13 00:39:06,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/data/0f2d405b5/7d58114671fd4b70ac0e27570bd96bc3/FLAG17cd7ebbe [2021-10-13 00:39:06,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/data/0f2d405b5/7d58114671fd4b70ac0e27570bd96bc3 [2021-10-13 00:39:06,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:39:06,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:39:06,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:39:06,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:39:06,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:39:06,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:06" (1/1) ... [2021-10-13 00:39:06,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361a4f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:06, skipping insertion in model container [2021-10-13 00:39:06,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:06" (1/1) ... [2021-10-13 00:39:07,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:39:07,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:39:07,249 WARN L228 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_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/sv-benchmarks/c/systemc/toy1.cil.c[393,406] [2021-10-13 00:39:07,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:39:07,320 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:39:07,332 WARN L228 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_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/sv-benchmarks/c/systemc/toy1.cil.c[393,406] [2021-10-13 00:39:07,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:39:07,383 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:39:07,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07 WrapperNode [2021-10-13 00:39:07,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:39:07,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:39:07,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:39:07,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:39:07,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:39:07,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:39:07,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:39:07,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:39:07,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:39:07,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:39:07,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:39:07,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:39:07,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (1/1) ... [2021-10-13 00:39:07,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:07,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:07,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:07,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:39:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:39:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:39:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:39:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:39:08,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:39:08,250 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-13 00:39:08,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:08 BoogieIcfgContainer [2021-10-13 00:39:08,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:39:08,262 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:39:08,263 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:39:08,267 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:39:08,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:39:08,268 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:39:06" (1/3) ... [2021-10-13 00:39:08,269 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@be5e308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:39:08, skipping insertion in model container [2021-10-13 00:39:08,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:39:08,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:07" (2/3) ... [2021-10-13 00:39:08,283 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@be5e308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:39:08, skipping insertion in model container [2021-10-13 00:39:08,283 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:39:08,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:08" (3/3) ... [2021-10-13 00:39:08,285 INFO L389 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2021-10-13 00:39:08,339 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:39:08,340 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:39:08,340 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:39:08,340 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:39:08,341 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:39:08,341 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:39:08,341 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:39:08,342 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:39:08,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.8650793650793651) internal successors, (235), 126 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:08,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-13 00:39:08,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:08,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:08,441 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:08,441 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:08,441 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:39:08,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.8650793650793651) internal successors, (235), 126 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:08,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-13 00:39:08,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:08,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:08,460 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:08,461 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:08,469 INFO L791 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 40#L-1true havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 103#L408true assume !(1 == ~c_req_up~0); 89#L408-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 122#L419-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 120#L424-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 63#L429-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 115#L434-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 45#L439-1true assume !(0 == ~e_f~0); 8#L444-1true assume !(0 == ~e_g~0); 98#L449-1true assume !(0 == ~e_e~0); 54#L454-1true assume !(0 == ~e_c~0); 107#L459-1true assume !(0 == ~e_wl~0); 27#L464-1true assume !(1 == ~wl_pc~0); 44#L476true assume !(2 == ~wl_pc~0); 26#L477true assume !(1 == ~c1_pc~0); 19#L487true assume !(1 == ~c2_pc~0); 92#L496true assume !(1 == ~wb_pc~0); 31#L505true assume !(1 == ~e_c~0); 36#L514-1true assume !(1 == ~e_e~0); 129#L519-1true assume !(1 == ~e_f~0); 41#L524-1true assume !(1 == ~e_g~0); 127#L529-1true assume !(1 == ~e_c~0); 3#L534-1true assume !(1 == ~e_wl~0); 7#L676-1true [2021-10-13 00:39:08,470 INFO L793 eck$LassoCheckResult]: Loop: 7#L676-1true assume !false; 34#L546true start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 72#L381true assume !true; 121#L397true start_simulation_~kernel_st~0 := 2; 43#L552true assume !(1 == ~c_req_up~0); 62#L552-2true start_simulation_~kernel_st~0 := 3; 16#L564true assume 0 == ~e_f~0;~e_f~0 := 1; 18#L564-2true assume 0 == ~e_g~0;~e_g~0 := 1; 9#L569-1true assume 0 == ~e_e~0;~e_e~0 := 1; 126#L574-1true assume !(0 == ~e_c~0); 14#L579-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 97#L584-1true assume 1 == ~wl_pc~0; 49#L590true assume 1 == ~e_wl~0;~wl_st~0 := 0; 109#L597true assume !(1 == ~c1_pc~0); 29#L607true assume !(1 == ~c2_pc~0); 101#L616true assume !(1 == ~wb_pc~0); 117#L625true assume 1 == ~e_c~0;~r_st~0 := 0; 61#L634-1true assume 1 == ~e_e~0;~e_e~0 := 2; 53#L639-1true assume 1 == ~e_f~0;~e_f~0 := 2; 112#L644-1true assume 1 == ~e_g~0;~e_g~0 := 2; 79#L649-1true assume !(1 == ~e_c~0); 42#L654-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 24#L659-1true assume 0 == ~wl_st~0; 7#L676-1true [2021-10-13 00:39:08,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:08,478 INFO L82 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2021-10-13 00:39:08,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:08,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837174780] [2021-10-13 00:39:08,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:08,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:08,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:08,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837174780] [2021-10-13 00:39:08,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837174780] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:08,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:08,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:08,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3365521] [2021-10-13 00:39:08,690 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:08,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:08,691 INFO L82 PathProgramCache]: Analyzing trace with hash 476885301, now seen corresponding path program 1 times [2021-10-13 00:39:08,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:08,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533281670] [2021-10-13 00:39:08,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:08,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:08,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:08,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533281670] [2021-10-13 00:39:08,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533281670] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:08,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:08,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:39:08,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102021497] [2021-10-13 00:39:08,710 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:39:08,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:08,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:39:08,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:39:08,747 INFO L87 Difference]: Start difference. First operand has 127 states, 126 states have (on average 1.8650793650793651) internal successors, (235), 126 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:08,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:08,761 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2021-10-13 00:39:08,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:39:08,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 127 states and 221 transitions. [2021-10-13 00:39:08,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-13 00:39:08,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 127 states to 121 states and 215 transitions. [2021-10-13 00:39:08,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-13 00:39:08,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-13 00:39:08,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 215 transitions. [2021-10-13 00:39:08,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:39:08,776 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-13 00:39:08,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 215 transitions. [2021-10-13 00:39:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-13 00:39:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.7768595041322315) internal successors, (215), 120 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 215 transitions. [2021-10-13 00:39:08,827 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-13 00:39:08,828 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-13 00:39:08,828 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:39:08,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 215 transitions. [2021-10-13 00:39:08,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-13 00:39:08,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:08,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:08,839 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:08,839 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:08,840 INFO L791 eck$LassoCheckResult]: Stem: 380#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 334#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 335#L408 assume !(1 == ~c_req_up~0); 297#L408-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 375#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 382#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 360#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 361#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 343#L439-1 assume !(0 == ~e_f~0); 270#L444-1 assume !(0 == ~e_g~0); 271#L449-1 assume !(0 == ~e_e~0); 354#L454-1 assume !(0 == ~e_c~0); 355#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); 293#L487 assume !(1 == ~c2_pc~0); 295#L496 assume !(1 == ~wb_pc~0); 321#L505 assume !(1 == ~e_c~0); 322#L514-1 assume !(1 == ~e_e~0); 328#L519-1 assume !(1 == ~e_f~0); 336#L524-1 assume !(1 == ~e_g~0); 337#L529-1 assume !(1 == ~e_c~0); 263#L534-1 assume !(1 == ~e_wl~0); 264#L676-1 [2021-10-13 00:39:08,840 INFO L793 eck$LassoCheckResult]: Loop: 264#L676-1 assume !false; 269#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 291#L381 assume !false; 329#L299 assume !(0 == ~wl_st~0); 330#L303 assume !(0 == ~c1_st~0); 381#L306 assume !(0 == ~c2_st~0); 377#L309 assume !(0 == ~wb_st~0); 378#L312 assume !(0 == ~r_st~0); 383#L397 start_simulation_~kernel_st~0 := 2; 339#L552 assume !(1 == ~c_req_up~0); 340#L552-2 start_simulation_~kernel_st~0 := 3; 288#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 289#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 272#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 273#L574-1 assume !(0 == ~e_c~0); 283#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 284#L584-1 assume !(1 == ~wl_pc~0); 345#L596 assume !(2 == ~wl_pc~0); 347#L597 assume !(1 == ~c1_pc~0); 315#L607 assume !(1 == ~c2_pc~0); 316#L616 assume !(1 == ~wb_pc~0); 367#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 359#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 352#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 353#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 369#L649-1 assume !(1 == ~e_c~0); 338#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 303#L659-1 assume 0 == ~wl_st~0; 264#L676-1 [2021-10-13 00:39:08,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:08,841 INFO L82 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2021-10-13 00:39:08,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:08,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836433229] [2021-10-13 00:39:08,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:08,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:08,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:08,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836433229] [2021-10-13 00:39:08,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836433229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:08,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:08,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:08,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146641722] [2021-10-13 00:39:08,943 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:08,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:08,944 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 1 times [2021-10-13 00:39:08,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:08,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016223160] [2021-10-13 00:39:08,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:08,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:08,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:08,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016223160] [2021-10-13 00:39:08,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016223160] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:08,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:08,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:08,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645097248] [2021-10-13 00:39:08,976 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:39:08,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:08,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:08,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:08,978 INFO L87 Difference]: Start difference. First operand 121 states and 215 transitions. cyclomatic complexity: 95 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:08,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:08,998 INFO L93 Difference]: Finished difference Result 121 states and 214 transitions. [2021-10-13 00:39:08,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:08,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 214 transitions. [2021-10-13 00:39:09,002 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-13 00:39:09,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 214 transitions. [2021-10-13 00:39:09,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-13 00:39:09,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-13 00:39:09,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 214 transitions. [2021-10-13 00:39:09,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:39:09,006 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-13 00:39:09,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 214 transitions. [2021-10-13 00:39:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-13 00:39:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.7685950413223142) internal successors, (214), 120 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 214 transitions. [2021-10-13 00:39:09,016 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-13 00:39:09,016 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-13 00:39:09,016 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:39:09,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 214 transitions. [2021-10-13 00:39:09,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-13 00:39:09,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:09,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:09,019 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:09,019 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:09,020 INFO L791 eck$LassoCheckResult]: Stem: 629#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 583#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 584#L408 assume !(1 == ~c_req_up~0); 546#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 624#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 631#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 609#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 610#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 592#L439-1 assume !(0 == ~e_f~0); 519#L444-1 assume !(0 == ~e_g~0); 520#L449-1 assume !(0 == ~e_e~0); 603#L454-1 assume !(0 == ~e_c~0); 604#L459-1 assume !(0 == ~e_wl~0); 558#L464-1 assume !(1 == ~wl_pc~0); 559#L476 assume !(2 == ~wl_pc~0); 556#L477 assume !(1 == ~c1_pc~0); 542#L487 assume !(1 == ~c2_pc~0); 544#L496 assume !(1 == ~wb_pc~0); 570#L505 assume !(1 == ~e_c~0); 571#L514-1 assume !(1 == ~e_e~0); 577#L519-1 assume !(1 == ~e_f~0); 585#L524-1 assume !(1 == ~e_g~0); 586#L529-1 assume !(1 == ~e_c~0); 512#L534-1 assume !(1 == ~e_wl~0); 513#L676-1 [2021-10-13 00:39:09,020 INFO L793 eck$LassoCheckResult]: Loop: 513#L676-1 assume !false; 518#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 540#L381 assume !false; 578#L299 assume !(0 == ~wl_st~0); 579#L303 assume !(0 == ~c1_st~0); 630#L306 assume !(0 == ~c2_st~0); 626#L309 assume !(0 == ~wb_st~0); 627#L312 assume !(0 == ~r_st~0); 632#L397 start_simulation_~kernel_st~0 := 2; 588#L552 assume !(1 == ~c_req_up~0); 589#L552-2 start_simulation_~kernel_st~0 := 3; 537#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 538#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 521#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 522#L574-1 assume !(0 == ~e_c~0); 532#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 533#L584-1 assume !(1 == ~wl_pc~0); 594#L596 assume !(2 == ~wl_pc~0); 596#L597 assume !(1 == ~c1_pc~0); 564#L607 assume !(1 == ~c2_pc~0); 565#L616 assume !(1 == ~wb_pc~0); 616#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 608#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 601#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 602#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 618#L649-1 assume !(1 == ~e_c~0); 587#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 552#L659-1 assume 0 == ~wl_st~0; 513#L676-1 [2021-10-13 00:39:09,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:09,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2021-10-13 00:39:09,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:09,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556306619] [2021-10-13 00:39:09,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:09,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:09,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:09,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:09,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556306619] [2021-10-13 00:39:09,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556306619] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:09,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:09,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:09,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452289791] [2021-10-13 00:39:09,102 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:09,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:09,110 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 2 times [2021-10-13 00:39:09,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:09,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999546770] [2021-10-13 00:39:09,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:09,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:09,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:09,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999546770] [2021-10-13 00:39:09,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999546770] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:09,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:09,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:09,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477075530] [2021-10-13 00:39:09,170 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:39:09,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:09,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:09,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:09,173 INFO L87 Difference]: Start difference. First operand 121 states and 214 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:09,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:09,208 INFO L93 Difference]: Finished difference Result 121 states and 213 transitions. [2021-10-13 00:39:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:09,209 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 213 transitions. [2021-10-13 00:39:09,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-13 00:39:09,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 213 transitions. [2021-10-13 00:39:09,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-13 00:39:09,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-13 00:39:09,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 213 transitions. [2021-10-13 00:39:09,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:39:09,222 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-13 00:39:09,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 213 transitions. [2021-10-13 00:39:09,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-13 00:39:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.7603305785123966) internal successors, (213), 120 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:09,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 213 transitions. [2021-10-13 00:39:09,242 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-13 00:39:09,242 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-13 00:39:09,243 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:39:09,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 213 transitions. [2021-10-13 00:39:09,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-13 00:39:09,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:09,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:09,247 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:09,249 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:09,250 INFO L791 eck$LassoCheckResult]: Stem: 878#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 832#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 833#L408 assume !(1 == ~c_req_up~0); 795#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 873#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 880#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 858#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 859#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 841#L439-1 assume !(0 == ~e_f~0); 768#L444-1 assume !(0 == ~e_g~0); 769#L449-1 assume !(0 == ~e_e~0); 852#L454-1 assume !(0 == ~e_c~0); 853#L459-1 assume !(0 == ~e_wl~0); 807#L464-1 assume !(1 == ~wl_pc~0); 808#L476 assume !(2 == ~wl_pc~0); 805#L477 assume !(1 == ~c1_pc~0); 791#L487 assume !(1 == ~c2_pc~0); 793#L496 assume !(1 == ~wb_pc~0); 819#L505 assume !(1 == ~e_c~0); 820#L514-1 assume !(1 == ~e_e~0); 826#L519-1 assume !(1 == ~e_f~0); 834#L524-1 assume !(1 == ~e_g~0); 835#L529-1 assume !(1 == ~e_c~0); 761#L534-1 assume !(1 == ~e_wl~0); 762#L676-1 [2021-10-13 00:39:09,250 INFO L793 eck$LassoCheckResult]: Loop: 762#L676-1 assume !false; 767#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 789#L381 assume !false; 827#L299 assume !(0 == ~wl_st~0); 828#L303 assume !(0 == ~c1_st~0); 879#L306 assume !(0 == ~c2_st~0); 875#L309 assume !(0 == ~wb_st~0); 876#L312 assume !(0 == ~r_st~0); 881#L397 start_simulation_~kernel_st~0 := 2; 837#L552 assume !(1 == ~c_req_up~0); 838#L552-2 start_simulation_~kernel_st~0 := 3; 786#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 787#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 770#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 771#L574-1 assume !(0 == ~e_c~0); 781#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 782#L584-1 assume !(1 == ~wl_pc~0); 843#L596 assume !(2 == ~wl_pc~0); 845#L597 assume !(1 == ~c1_pc~0); 813#L607 assume !(1 == ~c2_pc~0); 814#L616 assume !(1 == ~wb_pc~0); 865#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 857#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 850#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 851#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 867#L649-1 assume !(1 == ~e_c~0); 836#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 801#L659-1 assume 0 == ~wl_st~0; 762#L676-1 [2021-10-13 00:39:09,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:09,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2021-10-13 00:39:09,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:09,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824199861] [2021-10-13 00:39:09,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:09,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:09,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:09,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824199861] [2021-10-13 00:39:09,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824199861] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:09,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:09,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:09,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941455865] [2021-10-13 00:39:09,314 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:09,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:09,315 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 3 times [2021-10-13 00:39:09,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:09,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870261061] [2021-10-13 00:39:09,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:09,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:09,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:09,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870261061] [2021-10-13 00:39:09,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870261061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:09,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:09,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:09,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473216482] [2021-10-13 00:39:09,344 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:39:09,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:09,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:09,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:09,345 INFO L87 Difference]: Start difference. First operand 121 states and 213 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:09,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:09,357 INFO L93 Difference]: Finished difference Result 121 states and 212 transitions. [2021-10-13 00:39:09,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:09,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 212 transitions. [2021-10-13 00:39:09,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-13 00:39:09,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 212 transitions. [2021-10-13 00:39:09,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-13 00:39:09,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-13 00:39:09,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 212 transitions. [2021-10-13 00:39:09,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:39:09,364 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-13 00:39:09,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 212 transitions. [2021-10-13 00:39:09,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-13 00:39:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.7520661157024793) internal successors, (212), 120 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 212 transitions. [2021-10-13 00:39:09,391 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-13 00:39:09,391 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-13 00:39:09,391 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:39:09,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 212 transitions. [2021-10-13 00:39:09,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-13 00:39:09,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:09,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:09,395 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:09,395 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:09,396 INFO L791 eck$LassoCheckResult]: Stem: 1127#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 1081#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 1082#L408 assume !(1 == ~c_req_up~0); 1044#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1122#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1129#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1107#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1108#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1090#L439-1 assume !(0 == ~e_f~0); 1017#L444-1 assume !(0 == ~e_g~0); 1018#L449-1 assume !(0 == ~e_e~0); 1101#L454-1 assume !(0 == ~e_c~0); 1102#L459-1 assume !(0 == ~e_wl~0); 1056#L464-1 assume !(1 == ~wl_pc~0); 1057#L476 assume !(2 == ~wl_pc~0); 1054#L477 assume !(1 == ~c1_pc~0); 1040#L487 assume !(1 == ~c2_pc~0); 1042#L496 assume !(1 == ~wb_pc~0); 1068#L505 assume !(1 == ~e_c~0); 1069#L514-1 assume !(1 == ~e_e~0); 1075#L519-1 assume !(1 == ~e_f~0); 1083#L524-1 assume !(1 == ~e_g~0); 1084#L529-1 assume !(1 == ~e_c~0); 1010#L534-1 assume !(1 == ~e_wl~0); 1011#L676-1 [2021-10-13 00:39:09,396 INFO L793 eck$LassoCheckResult]: Loop: 1011#L676-1 assume !false; 1016#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 1038#L381 assume !false; 1076#L299 assume !(0 == ~wl_st~0); 1077#L303 assume !(0 == ~c1_st~0); 1128#L306 assume !(0 == ~c2_st~0); 1124#L309 assume !(0 == ~wb_st~0); 1125#L312 assume !(0 == ~r_st~0); 1130#L397 start_simulation_~kernel_st~0 := 2; 1086#L552 assume !(1 == ~c_req_up~0); 1087#L552-2 start_simulation_~kernel_st~0 := 3; 1035#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1036#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1019#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1020#L574-1 assume !(0 == ~e_c~0); 1030#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1031#L584-1 assume !(1 == ~wl_pc~0); 1092#L596 assume !(2 == ~wl_pc~0); 1094#L597 assume !(1 == ~c1_pc~0); 1062#L607 assume !(1 == ~c2_pc~0); 1063#L616 assume !(1 == ~wb_pc~0); 1114#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1106#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1099#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1100#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1116#L649-1 assume !(1 == ~e_c~0); 1085#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1050#L659-1 assume 0 == ~wl_st~0; 1011#L676-1 [2021-10-13 00:39:09,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:09,397 INFO L82 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2021-10-13 00:39:09,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:09,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480495856] [2021-10-13 00:39:09,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:09,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:09,434 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:09,505 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:09,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:09,506 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 4 times [2021-10-13 00:39:09,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:09,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148386513] [2021-10-13 00:39:09,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:09,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:09,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:09,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148386513] [2021-10-13 00:39:09,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148386513] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:09,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:09,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:09,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893376481] [2021-10-13 00:39:09,573 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:39:09,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:09,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:09,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:09,574 INFO L87 Difference]: Start difference. First operand 121 states and 212 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:09,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:09,651 INFO L93 Difference]: Finished difference Result 153 states and 272 transitions. [2021-10-13 00:39:09,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:09,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 272 transitions. [2021-10-13 00:39:09,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-13 00:39:09,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 153 states and 272 transitions. [2021-10-13 00:39:09,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2021-10-13 00:39:09,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2021-10-13 00:39:09,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 272 transitions. [2021-10-13 00:39:09,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:39:09,668 INFO L681 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-13 00:39:09,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 272 transitions. [2021-10-13 00:39:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-10-13 00:39:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 153 states have (on average 1.7777777777777777) internal successors, (272), 152 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:09,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 272 transitions. [2021-10-13 00:39:09,683 INFO L704 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-13 00:39:09,683 INFO L587 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-13 00:39:09,683 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:39:09,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 272 transitions. [2021-10-13 00:39:09,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-13 00:39:09,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:09,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:09,692 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:09,694 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:09,695 INFO L791 eck$LassoCheckResult]: Stem: 1409#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 1361#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 1362#L408 assume !(1 == ~c_req_up~0); 1324#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1403#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1413#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1388#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1389#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1370#L439-1 assume !(0 == ~e_f~0); 1297#L444-1 assume !(0 == ~e_g~0); 1298#L449-1 assume !(0 == ~e_e~0); 1381#L454-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1382#L459-1 assume !(0 == ~e_wl~0); 1336#L464-1 assume !(1 == ~wl_pc~0); 1337#L476 assume !(2 == ~wl_pc~0); 1334#L477 assume !(1 == ~c1_pc~0); 1320#L487 assume !(1 == ~c2_pc~0); 1322#L496 assume !(1 == ~wb_pc~0); 1348#L505 assume 1 == ~e_c~0;~r_st~0 := 0; 1349#L514-1 assume !(1 == ~e_e~0); 1355#L519-1 assume !(1 == ~e_f~0); 1364#L524-1 assume !(1 == ~e_g~0); 1365#L529-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1290#L534-1 assume !(1 == ~e_wl~0); 1291#L676-1 [2021-10-13 00:39:09,697 INFO L793 eck$LassoCheckResult]: Loop: 1291#L676-1 assume !false; 1296#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 1318#L381 assume !false; 1356#L299 assume !(0 == ~wl_st~0); 1357#L303 assume !(0 == ~c1_st~0); 1412#L306 assume !(0 == ~c2_st~0); 1405#L309 assume !(0 == ~wb_st~0); 1406#L312 assume !(0 == ~r_st~0); 1414#L397 start_simulation_~kernel_st~0 := 2; 1366#L552 assume !(1 == ~c_req_up~0); 1367#L552-2 start_simulation_~kernel_st~0 := 3; 1315#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1316#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1299#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1300#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1415#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1442#L584-1 assume 1 == ~wl_pc~0; 1440#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1438#L597 assume !(1 == ~c1_pc~0); 1436#L607 assume !(1 == ~c2_pc~0); 1433#L616 assume !(1 == ~wb_pc~0); 1410#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1411#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1432#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1431#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1396#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1363#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1330#L659-1 assume 0 == ~wl_st~0; 1291#L676-1 [2021-10-13 00:39:09,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:09,701 INFO L82 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2021-10-13 00:39:09,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:09,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056188530] [2021-10-13 00:39:09,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:09,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:09,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:09,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056188530] [2021-10-13 00:39:09,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056188530] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:09,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:09,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:39:09,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284598918] [2021-10-13 00:39:09,774 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:09,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:09,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1254823475, now seen corresponding path program 1 times [2021-10-13 00:39:09,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:09,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471288557] [2021-10-13 00:39:09,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:09,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:09,803 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:09,814 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:10,209 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:10,210 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:10,210 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:10,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:10,211 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:39:10,211 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:10,211 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:10,212 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:10,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2021-10-13 00:39:10,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:10,213 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:10,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,623 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:10,623 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:39:10,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:10,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:10,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:10,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:39:10,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:10,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:10,664 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:10,664 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:10,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:10,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:10,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:10,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:10,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:39:10,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:10,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:10,703 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:10,703 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11=0} Honda state: {ULTIMATE.start_eval_#t~nondet11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:10,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:10,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:10,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:10,729 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:10,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:39:10,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:10,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:10,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-13 00:39:10,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:10,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:10,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:10,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:39:10,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:39:10,778 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:10,801 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:39:10,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:10,843 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:10,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:10,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:10,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:10,843 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:39:10,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:10,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:10,844 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:10,844 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2021-10-13 00:39:10,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:10,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:10,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:10,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:11,182 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:11,187 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:39:11,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:11,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:11,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:11,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:11,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:11,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:11,211 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:11,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:11,214 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:39:11,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:11,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:39:11,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:11,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-13 00:39:11,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:11,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:11,247 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:11,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:39:11,248 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 [2021-10-13 00:39:11,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:11,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:11,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:11,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:11,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:11,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:11,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:11,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:11,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:11,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:11,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:11,320 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:11,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:39:11,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:11,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:11,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:11,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:11,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:11,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:11,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:11,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:11,378 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:39:11,382 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:39:11,383 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:39:11,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:11,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:11,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:11,399 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:39:11,400 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:39:11,400 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:39:11,400 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2021-10-13 00:39:11,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:39:11,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:11,441 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:39:11,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:11,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:39:11,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:11,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:39:11,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:11,843 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:39:11,844 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 153 states and 272 transitions. cyclomatic complexity: 120 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:11,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 153 states and 272 transitions. cyclomatic complexity: 120. 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 474 states and 835 transitions. Complement of second has 5 states. [2021-10-13 00:39:11,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:39:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2021-10-13 00:39:11,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-13 00:39:11,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:11,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-13 00:39:11,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:11,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-13 00:39:11,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:11,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 474 states and 835 transitions. [2021-10-13 00:39:12,007 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 302 [2021-10-13 00:39:12,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 474 states to 459 states and 805 transitions. [2021-10-13 00:39:12,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 350 [2021-10-13 00:39:12,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 352 [2021-10-13 00:39:12,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 459 states and 805 transitions. [2021-10-13 00:39:12,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:12,016 INFO L681 BuchiCegarLoop]: Abstraction has 459 states and 805 transitions. [2021-10-13 00:39:12,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states and 805 transitions. [2021-10-13 00:39:12,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 351. [2021-10-13 00:39:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 351 states have (on average 1.754985754985755) internal successors, (616), 350 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 616 transitions. [2021-10-13 00:39:12,054 INFO L704 BuchiCegarLoop]: Abstraction has 351 states and 616 transitions. [2021-10-13 00:39:12,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:12,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:39:12,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:39:12,055 INFO L87 Difference]: Start difference. First operand 351 states and 616 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:12,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:12,174 INFO L93 Difference]: Finished difference Result 640 states and 1104 transitions. [2021-10-13 00:39:12,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:39:12,175 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 640 states and 1104 transitions. [2021-10-13 00:39:12,184 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2021-10-13 00:39:12,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 640 states to 640 states and 1104 transitions. [2021-10-13 00:39:12,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 456 [2021-10-13 00:39:12,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 456 [2021-10-13 00:39:12,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 640 states and 1104 transitions. [2021-10-13 00:39:12,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:12,197 INFO L681 BuchiCegarLoop]: Abstraction has 640 states and 1104 transitions. [2021-10-13 00:39:12,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states and 1104 transitions. [2021-10-13 00:39:12,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 610. [2021-10-13 00:39:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 610 states have (on average 1.740983606557377) internal successors, (1062), 609 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 1062 transitions. [2021-10-13 00:39:12,228 INFO L704 BuchiCegarLoop]: Abstraction has 610 states and 1062 transitions. [2021-10-13 00:39:12,228 INFO L587 BuchiCegarLoop]: Abstraction has 610 states and 1062 transitions. [2021-10-13 00:39:12,228 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 00:39:12,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 610 states and 1062 transitions. [2021-10-13 00:39:12,234 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2021-10-13 00:39:12,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:12,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:12,240 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:12,241 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:12,241 INFO L791 eck$LassoCheckResult]: Stem: 3326#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 3217#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 3218#L408 assume !(1 == ~c_req_up~0); 3320#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 3343#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 3342#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 3341#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 3340#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 3231#L439-1 assume !(0 == ~e_f~0); 3102#L444-1 assume !(0 == ~e_g~0); 3103#L449-1 assume !(0 == ~e_e~0); 3252#L454-1 assume !(0 == ~e_c~0); 3253#L459-1 assume !(0 == ~e_wl~0); 3172#L464-1 assume !(1 == ~wl_pc~0); 3173#L476 assume !(2 == ~wl_pc~0); 3421#L477 assume !(1 == ~c1_pc~0); 3431#L487 assume !(1 == ~c2_pc~0); 3389#L496 assume !(1 == ~wb_pc~0); 3350#L505 assume 1 == ~e_c~0;~r_st~0 := 0; 3194#L514-1 assume !(1 == ~e_e~0); 3205#L519-1 assume !(1 == ~e_f~0); 3219#L524-1 assume !(1 == ~e_g~0); 3220#L529-1 assume 1 == ~e_c~0;~e_c~0 := 2; 3088#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3089#L676-1 [2021-10-13 00:39:12,241 INFO L793 eck$LassoCheckResult]: Loop: 3089#L676-1 assume !false; 3099#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 3141#L381 assume !false; 3206#L299 assume !(0 == ~wl_st~0); 3207#L303 assume !(0 == ~c1_st~0); 3331#L306 assume !(0 == ~c2_st~0); 3312#L309 assume !(0 == ~wb_st~0); 3313#L312 assume !(0 == ~r_st~0); 3335#L397 start_simulation_~kernel_st~0 := 2; 3223#L552 assume !(1 == ~c_req_up~0); 3224#L552-2 start_simulation_~kernel_st~0 := 3; 3264#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 3477#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 3475#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 3476#L574-1 assume !(0 == ~e_c~0); 3471#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 3472#L584-1 assume 1 == ~wl_pc~0; 3466#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 3465#L597 assume !(1 == ~c1_pc~0); 3460#L607 assume !(1 == ~c2_pc~0); 3459#L616 assume !(1 == ~wb_pc~0); 3453#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 3328#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 3546#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 3543#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 3288#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 3221#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3162#L659-1 assume 0 == ~wl_st~0; 3089#L676-1 [2021-10-13 00:39:12,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:12,242 INFO L82 PathProgramCache]: Analyzing trace with hash 198346713, now seen corresponding path program 1 times [2021-10-13 00:39:12,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:12,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216098498] [2021-10-13 00:39:12,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:12,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:12,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:12,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216098498] [2021-10-13 00:39:12,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216098498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:12,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:12,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:12,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242924814] [2021-10-13 00:39:12,323 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:12,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:12,325 INFO L82 PathProgramCache]: Analyzing trace with hash 243706225, now seen corresponding path program 1 times [2021-10-13 00:39:12,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:12,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238069467] [2021-10-13 00:39:12,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:12,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:12,338 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:12,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:12,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:12,681 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:12,681 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:12,681 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:12,681 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:12,681 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:39:12,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:12,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:12,682 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:12,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2021-10-13 00:39:12,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:12,682 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:12,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:12,986 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:12,986 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:39:12,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:12,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:12,995 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:39:13,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:13,023 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet10=0} Honda state: {ULTIMATE.start_eval_#t~nondet10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:13,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,058 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:39:13,063 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,063 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,084 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:13,084 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:13,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,109 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,112 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:39:13,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:13,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11=0} Honda state: {ULTIMATE.start_eval_#t~nondet11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:13,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,145 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,166 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:13,167 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:13,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:39:13,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,210 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:39:13,242 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:13,243 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet9=0} Honda state: {ULTIMATE.start_eval_#t~nondet9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:13,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,278 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:39:13,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,300 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:13,300 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet7=0} Honda state: {ULTIMATE.start_eval_#t~nondet7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:13,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,322 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:39:13,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,333 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:13,333 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:13,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,357 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:39:13,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,377 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:13,378 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:13,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,402 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:39:13,404 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:13,404 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,433 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:39:13,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:39:13,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:13,454 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:39:13,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,477 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:13,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:13,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:13,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:13,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:39:13,478 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,478 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:13,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:13,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2021-10-13 00:39:13,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:13,478 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:13,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:13,808 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:13,808 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:39:13,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,818 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:13,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:13,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:13,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:13,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:13,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:13,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:13,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:13,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:39:13,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:13,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,900 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:13,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:13,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:13,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:13,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:13,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:13,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:13,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:13,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:39:13,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:13,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:13,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,954 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:39:13,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:13,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:13,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:13,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:13,963 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:13,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:13,964 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:39:13,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:13,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:13,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-13 00:39:13,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,986 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:39:13,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:13,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:13,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:13,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:13,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:13,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:13,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:13,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:13,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:14,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-13 00:39:14,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:14,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:14,016 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:14,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:39:14,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:14,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:14,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:14,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:14,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:14,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:14,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:14,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:14,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:14,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-13 00:39:14,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:14,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:14,052 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:14,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:39:14,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:14,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:14,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:14,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:14,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:14,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:14,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:14,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:14,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:14,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-13 00:39:14,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:14,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:14,123 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:14,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:14,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:39:14,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:14,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:14,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:14,150 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:14,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:14,151 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:39:14,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:14,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:14,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:14,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:14,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:14,198 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:14,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:14,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:39:14,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:14,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:14,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:14,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:14,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:14,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:14,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:14,230 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:39:14,233 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:39:14,233 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:39:14,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:14,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:14,234 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:14,235 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:39:14,235 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:39:14,235 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:39:14,236 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -2*~e_c~0 + 3 Supporting invariants [] [2021-10-13 00:39:14,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:39:14,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 00:39:14,268 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:39:14,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:14,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:39:14,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:14,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:39:14,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:14,606 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:39:14,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 610 states and 1062 transitions. cyclomatic complexity: 458 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:14,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 610 states and 1062 transitions. cyclomatic complexity: 458. 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 995 states and 1726 transitions. Complement of second has 7 states. [2021-10-13 00:39:14,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:39:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:14,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 376 transitions. [2021-10-13 00:39:14,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-13 00:39:14,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:14,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-13 00:39:14,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:14,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-13 00:39:14,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:14,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 995 states and 1726 transitions. [2021-10-13 00:39:14,684 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 562 [2021-10-13 00:39:14,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 995 states to 991 states and 1718 transitions. [2021-10-13 00:39:14,696 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 640 [2021-10-13 00:39:14,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 643 [2021-10-13 00:39:14,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 991 states and 1718 transitions. [2021-10-13 00:39:14,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:14,699 INFO L681 BuchiCegarLoop]: Abstraction has 991 states and 1718 transitions. [2021-10-13 00:39:14,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states and 1718 transitions. [2021-10-13 00:39:14,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 531. [2021-10-13 00:39:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 531 states have (on average 1.7401129943502824) internal successors, (924), 530 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 924 transitions. [2021-10-13 00:39:14,720 INFO L704 BuchiCegarLoop]: Abstraction has 531 states and 924 transitions. [2021-10-13 00:39:14,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:14,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:14,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:14,722 INFO L87 Difference]: Start difference. First operand 531 states and 924 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) [2021-10-13 00:39:14,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:14,754 INFO L93 Difference]: Finished difference Result 805 states and 1385 transitions. [2021-10-13 00:39:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:14,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 805 states and 1385 transitions. [2021-10-13 00:39:14,763 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 461 [2021-10-13 00:39:14,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 805 states to 636 states and 1094 transitions. [2021-10-13 00:39:14,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 541 [2021-10-13 00:39:14,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 546 [2021-10-13 00:39:14,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 636 states and 1094 transitions. [2021-10-13 00:39:14,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:14,772 INFO L681 BuchiCegarLoop]: Abstraction has 636 states and 1094 transitions. [2021-10-13 00:39:14,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states and 1094 transitions. [2021-10-13 00:39:14,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 449. [2021-10-13 00:39:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 449 states have (on average 1.730512249443207) internal successors, (777), 448 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 777 transitions. [2021-10-13 00:39:14,789 INFO L704 BuchiCegarLoop]: Abstraction has 449 states and 777 transitions. [2021-10-13 00:39:14,789 INFO L587 BuchiCegarLoop]: Abstraction has 449 states and 777 transitions. [2021-10-13 00:39:14,789 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 00:39:14,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states and 777 transitions. [2021-10-13 00:39:14,793 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 281 [2021-10-13 00:39:14,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:14,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:14,795 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:14,795 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:14,796 INFO L791 eck$LassoCheckResult]: Stem: 6430#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 6338#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 6339#L408 assume !(1 == ~c_req_up~0); 6425#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6439#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6440#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6467#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6466#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6465#L439-1 assume !(0 == ~e_f~0); 6223#L444-1 assume !(0 == ~e_g~0); 6224#L449-1 assume !(0 == ~e_e~0); 6379#L454-1 assume !(0 == ~e_c~0); 6380#L459-1 assume !(0 == ~e_wl~0); 6293#L464-1 assume !(1 == ~wl_pc~0); 6294#L476 assume !(2 == ~wl_pc~0); 6291#L477 assume !(1 == ~c1_pc~0); 6268#L487 assume !(1 == ~c2_pc~0); 6270#L496 assume !(1 == ~wb_pc~0); 6314#L505 assume !(1 == ~e_c~0); 6315#L514-1 assume !(1 == ~e_e~0); 6443#L519-1 assume 1 == ~e_f~0;~e_f~0 := 2; 6340#L524-1 assume !(1 == ~e_g~0); 6341#L529-1 assume !(1 == ~e_c~0); 6210#L534-1 assume !(1 == ~e_wl~0); 6211#L676-1 [2021-10-13 00:39:14,796 INFO L793 eck$LassoCheckResult]: Loop: 6211#L676-1 assume !false; 6220#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 6262#L381 assume !false; 6328#L299 assume !(0 == ~wl_st~0); 6329#L303 assume !(0 == ~c1_st~0); 6432#L306 assume !(0 == ~c2_st~0); 6420#L309 assume !(0 == ~wb_st~0); 6421#L312 assume !(0 == ~r_st~0); 6436#L397 start_simulation_~kernel_st~0 := 2; 6437#L552 assume !(1 == ~c_req_up~0); 6476#L552-2 start_simulation_~kernel_st~0 := 3; 6475#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 6267#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 6225#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 6226#L574-1 assume !(0 == ~e_c~0); 6247#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 6248#L584-1 assume !(1 == ~wl_pc~0); 6357#L596 assume !(2 == ~wl_pc~0); 6359#L597 assume !(1 == ~c1_pc~0); 6302#L607 assume !(1 == ~c2_pc~0); 6303#L616 assume !(1 == ~wb_pc~0); 6396#L625 assume !(1 == ~e_c~0); 6383#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 6371#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 6372#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 6429#L649-1 assume !(1 == ~e_c~0); 6342#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 6283#L659-1 assume 0 == ~wl_st~0; 6211#L676-1 [2021-10-13 00:39:14,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:14,797 INFO L82 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2021-10-13 00:39:14,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:14,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920151087] [2021-10-13 00:39:14,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:14,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:14,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:14,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920151087] [2021-10-13 00:39:14,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920151087] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:14,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:14,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:39:14,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316239485] [2021-10-13 00:39:14,838 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:14,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:14,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1726992066, now seen corresponding path program 1 times [2021-10-13 00:39:14,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:14,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356154597] [2021-10-13 00:39:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:14,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:14,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:14,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:14,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356154597] [2021-10-13 00:39:14,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356154597] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:14,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:14,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:39:14,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644184101] [2021-10-13 00:39:14,866 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:39:14,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:14,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:39:14,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:39:14,870 INFO L87 Difference]: Start difference. First operand 449 states and 777 transitions. cyclomatic complexity: 331 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:15,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:15,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:15,030 INFO L93 Difference]: Finished difference Result 561 states and 961 transitions. [2021-10-13 00:39:15,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:39:15,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 561 states and 961 transitions. [2021-10-13 00:39:15,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 338 [2021-10-13 00:39:15,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 561 states to 561 states and 961 transitions. [2021-10-13 00:39:15,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 451 [2021-10-13 00:39:15,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 451 [2021-10-13 00:39:15,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 561 states and 961 transitions. [2021-10-13 00:39:15,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:15,046 INFO L681 BuchiCegarLoop]: Abstraction has 561 states and 961 transitions. [2021-10-13 00:39:15,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states and 961 transitions. [2021-10-13 00:39:15,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 552. [2021-10-13 00:39:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 552 states have (on average 1.7228260869565217) internal successors, (951), 551 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 951 transitions. [2021-10-13 00:39:15,063 INFO L704 BuchiCegarLoop]: Abstraction has 552 states and 951 transitions. [2021-10-13 00:39:15,064 INFO L587 BuchiCegarLoop]: Abstraction has 552 states and 951 transitions. [2021-10-13 00:39:15,064 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 00:39:15,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 552 states and 951 transitions. [2021-10-13 00:39:15,068 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 336 [2021-10-13 00:39:15,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:15,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:15,070 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:15,070 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:15,070 INFO L791 eck$LassoCheckResult]: Stem: 7460#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 7363#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 7364#L408 assume !(1 == ~c_req_up~0); 7453#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 7525#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 7524#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 7523#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 7522#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 7379#L439-1 assume !(0 == ~e_f~0); 7246#L444-1 assume !(0 == ~e_g~0); 7247#L449-1 assume !(0 == ~e_e~0); 7402#L454-1 assume !(0 == ~e_c~0); 7403#L459-1 assume !(0 == ~e_wl~0); 7319#L464-1 assume !(1 == ~wl_pc~0); 7320#L476 assume !(2 == ~wl_pc~0); 7317#L477 assume !(1 == ~c1_pc~0); 7294#L487 assume !(1 == ~c2_pc~0); 7296#L496 assume !(1 == ~wb_pc~0); 7549#L505 assume !(1 == ~e_c~0); 7548#L514-1 assume !(1 == ~e_e~0); 7547#L519-1 assume !(1 == ~e_f~0); 7365#L524-1 assume !(1 == ~e_g~0); 7366#L529-1 assume !(1 == ~e_c~0); 7231#L534-1 assume !(1 == ~e_wl~0); 7232#L676-1 [2021-10-13 00:39:15,070 INFO L793 eck$LassoCheckResult]: Loop: 7232#L676-1 assume !false; 7243#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 7287#L381 assume !false; 7353#L299 assume !(0 == ~wl_st~0); 7354#L303 assume !(0 == ~c1_st~0); 7465#L306 assume !(0 == ~c2_st~0); 7447#L309 assume !(0 == ~wb_st~0); 7448#L312 assume !(0 == ~r_st~0); 7469#L397 start_simulation_~kernel_st~0 := 2; 7370#L552 assume !(1 == ~c_req_up~0); 7371#L552-2 start_simulation_~kernel_st~0 := 3; 7281#L564 assume !(0 == ~e_f~0); 7282#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 7625#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 7624#L574-1 assume !(0 == ~e_c~0); 7604#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 7584#L584-1 assume !(1 == ~wl_pc~0); 7585#L596 assume !(2 == ~wl_pc~0); 7749#L597 assume !(1 == ~c1_pc~0); 7747#L607 assume !(1 == ~c2_pc~0); 7744#L616 assume !(1 == ~wb_pc~0); 7743#L625 assume !(1 == ~e_c~0); 7742#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 7741#L639-1 assume !(1 == ~e_f~0); 7740#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 7739#L649-1 assume !(1 == ~e_c~0); 7738#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7309#L659-1 assume 0 == ~wl_st~0; 7232#L676-1 [2021-10-13 00:39:15,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:15,071 INFO L82 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2021-10-13 00:39:15,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:15,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240505596] [2021-10-13 00:39:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:15,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:15,083 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:15,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:15,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:15,102 INFO L82 PathProgramCache]: Analyzing trace with hash 981474370, now seen corresponding path program 1 times [2021-10-13 00:39:15,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:15,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767300899] [2021-10-13 00:39:15,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:15,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:15,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:15,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767300899] [2021-10-13 00:39:15,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767300899] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:15,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:15,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:39:15,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084721155] [2021-10-13 00:39:15,122 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:39:15,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:15,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:15,123 INFO L87 Difference]: Start difference. First operand 552 states and 951 transitions. cyclomatic complexity: 402 Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:15,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:15,156 INFO L93 Difference]: Finished difference Result 807 states and 1374 transitions. [2021-10-13 00:39:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:15,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 807 states and 1374 transitions. [2021-10-13 00:39:15,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 530 [2021-10-13 00:39:15,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 807 states to 807 states and 1374 transitions. [2021-10-13 00:39:15,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 637 [2021-10-13 00:39:15,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 637 [2021-10-13 00:39:15,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 807 states and 1374 transitions. [2021-10-13 00:39:15,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:15,180 INFO L681 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-13 00:39:15,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states and 1374 transitions. [2021-10-13 00:39:15,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 807. [2021-10-13 00:39:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 807 states have (on average 1.7026022304832713) internal successors, (1374), 806 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1374 transitions. [2021-10-13 00:39:15,208 INFO L704 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-13 00:39:15,208 INFO L587 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-13 00:39:15,209 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-13 00:39:15,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1374 transitions. [2021-10-13 00:39:15,216 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 530 [2021-10-13 00:39:15,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:15,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:15,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:15,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:15,217 INFO L791 eck$LassoCheckResult]: Stem: 8839#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 8726#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 8727#L408 assume !(1 == ~c_req_up~0); 8662#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 8958#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 8957#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 8956#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 8955#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 8746#L439-1 assume !(0 == ~e_f~0); 8612#L444-1 assume !(0 == ~e_g~0); 8613#L449-1 assume !(0 == ~e_e~0); 8774#L454-1 assume !(0 == ~e_c~0); 8775#L459-1 assume !(0 == ~e_wl~0); 8982#L464-1 assume !(1 == ~wl_pc~0); 8979#L476 assume !(2 == ~wl_pc~0); 8974#L477 assume !(1 == ~c1_pc~0); 8970#L487 assume !(1 == ~c2_pc~0); 8966#L496 assume !(1 == ~wb_pc~0); 8962#L505 assume !(1 == ~e_c~0); 8961#L514-1 assume !(1 == ~e_e~0); 8960#L519-1 assume !(1 == ~e_f~0); 8732#L524-1 assume !(1 == ~e_g~0); 8733#L529-1 assume !(1 == ~e_c~0); 8596#L534-1 assume !(1 == ~e_wl~0); 8597#L676-1 [2021-10-13 00:39:15,218 INFO L793 eck$LassoCheckResult]: Loop: 8597#L676-1 assume !false; 9029#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 9315#L381 assume !false; 9313#L299 assume !(0 == ~wl_st~0); 8843#L303 assume !(0 == ~c1_st~0); 8844#L306 assume !(0 == ~c2_st~0); 8827#L309 assume !(0 == ~wb_st~0); 8829#L312 assume !(0 == ~r_st~0); 8848#L397 start_simulation_~kernel_st~0 := 2; 8734#L552 assume !(1 == ~c_req_up~0); 8735#L552-2 start_simulation_~kernel_st~0 := 3; 8646#L564 assume !(0 == ~e_f~0); 8647#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 9336#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 8850#L574-1 assume !(0 == ~e_c~0); 8851#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 8832#L584-1 assume 1 == ~wl_pc~0; 8755#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 8756#L597 assume !(1 == ~c1_pc~0); 9301#L607 assume !(1 == ~c2_pc~0); 9298#L616 assume !(1 == ~wb_pc~0); 8841#L625 assume !(1 == ~e_c~0); 8778#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 8779#L639-1 assume !(1 == ~e_f~0); 9242#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 9034#L649-1 assume !(1 == ~e_c~0); 9035#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 9030#L659-1 assume 0 == ~wl_st~0; 8597#L676-1 [2021-10-13 00:39:15,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:15,218 INFO L82 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 3 times [2021-10-13 00:39:15,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:15,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973424910] [2021-10-13 00:39:15,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:15,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:15,228 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:15,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:15,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:15,244 INFO L82 PathProgramCache]: Analyzing trace with hash 432214649, now seen corresponding path program 1 times [2021-10-13 00:39:15,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:15,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7185786] [2021-10-13 00:39:15,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:15,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:15,250 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:15,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:15,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:15,257 INFO L82 PathProgramCache]: Analyzing trace with hash -508129585, now seen corresponding path program 1 times [2021-10-13 00:39:15,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:15,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698808243] [2021-10-13 00:39:15,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:15,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:15,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:15,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698808243] [2021-10-13 00:39:15,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698808243] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:15,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:15,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:15,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619578265] [2021-10-13 00:39:15,489 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:15,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:15,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:15,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:15,490 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:39:15,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:15,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:15,490 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:15,490 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2021-10-13 00:39:15,490 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:15,490 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:15,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:15,820 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:15,820 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:39:15,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:15,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:15,822 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:15,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:15,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:15,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:39:15,842 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:15,842 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:15,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-13 00:39:15,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:15,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:15,871 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:15,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:39:15,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:15,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:15,886 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:15,886 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:15,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:15,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:15,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:15,907 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:15,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:39:15,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:15,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:15,922 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:15,922 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:15,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 00:39:15,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:15,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:15,944 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:15,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:39:15,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:15,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:15,954 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:15,954 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet10=0} Honda state: {ULTIMATE.start_eval_#t~nondet10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:15,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:15,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:15,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:15,978 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:15,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:39:15,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:15,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:16,005 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:16,005 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0=0} Honda state: {ULTIMATE.start_eval_~tmp~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:16,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:16,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:16,031 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:16,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:39:16,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:16,032 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:16,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:16,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:16,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:16,069 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:16,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:39:16,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:39:16,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:16,086 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:39:16,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-13 00:39:16,110 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:16,110 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:16,110 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:16,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:16,110 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:39:16,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:16,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:16,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:16,110 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2021-10-13 00:39:16,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:16,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:16,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:16,415 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:16,416 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:39:16,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:16,421 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:16,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:39:16,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:16,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:16,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:16,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:16,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:16,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:16,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:16,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:16,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:16,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:16,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:16,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:16,467 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:16,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:39:16,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:16,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:16,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:16,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:16,477 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:16,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:16,477 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:39:16,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:16,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:16,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 00:39:16,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:16,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:16,537 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:16,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:39:16,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:16,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:16,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:16,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:16,545 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:16,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:16,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:39:16,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:16,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:16,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:16,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:16,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:16,579 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:16,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:39:16,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:16,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:16,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:16,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:16,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:16,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:16,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:16,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:16,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:39:16,592 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:39:16,593 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:39:16,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:16,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:16,619 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:16,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:39:16,624 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:39:16,624 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:39:16,624 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2021-10-13 00:39:16,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 00:39:16,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:16,662 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:39:16,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:16,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:39:16,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:16,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:39:16,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:16,953 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:39:16,953 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 807 states and 1374 transitions. cyclomatic complexity: 570 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:16,999 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 807 states and 1374 transitions. cyclomatic complexity: 570. 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 2879 states and 4876 transitions. Complement of second has 5 states. [2021-10-13 00:39:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:39:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2021-10-13 00:39:17,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-13 00:39:17,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:17,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-13 00:39:17,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:17,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-13 00:39:17,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:17,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2879 states and 4876 transitions. [2021-10-13 00:39:17,032 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1560 [2021-10-13 00:39:17,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2879 states to 2879 states and 4876 transitions. [2021-10-13 00:39:17,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1670 [2021-10-13 00:39:17,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1687 [2021-10-13 00:39:17,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2879 states and 4876 transitions. [2021-10-13 00:39:17,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:17,065 INFO L681 BuchiCegarLoop]: Abstraction has 2879 states and 4876 transitions. [2021-10-13 00:39:17,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states and 4876 transitions. [2021-10-13 00:39:17,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2157. [2021-10-13 00:39:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 2157 states have (on average 1.6917014371812702) internal successors, (3649), 2156 states have internal predecessors, (3649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3649 transitions. [2021-10-13 00:39:17,135 INFO L704 BuchiCegarLoop]: Abstraction has 2157 states and 3649 transitions. [2021-10-13 00:39:17,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:17,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:17,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:17,136 INFO L87 Difference]: Start difference. First operand 2157 states and 3649 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:17,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:17,177 INFO L93 Difference]: Finished difference Result 2157 states and 3613 transitions. [2021-10-13 00:39:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:17,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2157 states and 3613 transitions. [2021-10-13 00:39:17,198 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1030 [2021-10-13 00:39:17,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2157 states to 2157 states and 3613 transitions. [2021-10-13 00:39:17,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1140 [2021-10-13 00:39:17,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1140 [2021-10-13 00:39:17,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2157 states and 3613 transitions. [2021-10-13 00:39:17,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:17,247 INFO L681 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-13 00:39:17,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states and 3613 transitions. [2021-10-13 00:39:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 2157. [2021-10-13 00:39:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 2157 states have (on average 1.6750115901715346) internal successors, (3613), 2156 states have internal predecessors, (3613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3613 transitions. [2021-10-13 00:39:17,312 INFO L704 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-13 00:39:17,312 INFO L587 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-13 00:39:17,312 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-13 00:39:17,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2157 states and 3613 transitions. [2021-10-13 00:39:17,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-13 00:39:17,330 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1030 [2021-10-13 00:39:17,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:17,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:17,332 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:17,332 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:17,332 INFO L791 eck$LassoCheckResult]: Stem: 17051#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 16909#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 16910#L408 assume !(1 == ~c_req_up~0); 16843#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 17066#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 17067#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 16971#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 16972#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 16930#L439-1 assume !(0 == ~e_f~0); 16931#L444-1 assume !(0 == ~e_g~0); 17032#L449-1 assume !(0 == ~e_e~0); 17033#L454-1 assume !(0 == ~e_c~0); 17129#L459-1 assume !(0 == ~e_wl~0); 17128#L464-1 assume !(1 == ~wl_pc~0); 17126#L476 assume !(2 == ~wl_pc~0); 17124#L477 assume !(1 == ~c1_pc~0); 17122#L487 assume !(1 == ~c2_pc~0); 17120#L496 assume !(1 == ~wb_pc~0); 17117#L505 assume !(1 == ~e_c~0); 17115#L514-1 assume !(1 == ~e_e~0); 17113#L519-1 assume !(1 == ~e_f~0); 17112#L524-1 assume !(1 == ~e_g~0); 17072#L529-1 assume !(1 == ~e_c~0); 16775#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 16776#L676-1 [2021-10-13 00:39:17,332 INFO L793 eck$LassoCheckResult]: Loop: 16776#L676-1 assume !false; 18689#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 18687#L381 assume !false; 18686#L299 assume 0 == ~wl_st~0; 18685#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 18683#L325 assume 0 != eval_~tmp~0;~wl_st~0 := 1;havoc write_loop_~t~0;havoc write_loop_~t~0; 18680#L58 assume 0 == ~wl_pc~0; 18607#L71 ~wl_st~0 := 2;~wl_pc~0 := 1;~e_wl~0 := 0; 18602#L321 assume !(0 == ~c1_st~0); 18577#L336 assume !(0 == ~c2_st~0); 18574#L351 assume !(0 == ~wb_st~0); 18508#L366 assume !(0 == ~r_st~0); 18049#L381 assume !false; 18503#L299 assume !(0 == ~wl_st~0); 18504#L303 assume !(0 == ~c1_st~0); 18499#L306 assume !(0 == ~c2_st~0); 18500#L309 assume !(0 == ~wb_st~0); 18493#L312 assume !(0 == ~r_st~0); 18495#L397 start_simulation_~kernel_st~0 := 2; 16917#L552 assume !(1 == ~c_req_up~0); 16918#L552-2 start_simulation_~kernel_st~0 := 3; 18744#L564 assume !(0 == ~e_f~0); 18739#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 18737#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 18736#L574-1 assume !(0 == ~e_c~0); 18735#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 18734#L584-1 assume 1 == ~wl_pc~0; 18732#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 18729#L597 assume !(1 == ~c1_pc~0); 18724#L607 assume !(1 == ~c2_pc~0); 18721#L616 assume !(1 == ~wb_pc~0); 18720#L625 assume !(1 == ~e_c~0); 18719#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 18718#L639-1 assume !(1 == ~e_f~0); 18716#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 18715#L649-1 assume !(1 == ~e_c~0); 18710#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 18708#L659-1 assume 0 == ~wl_st~0; 16776#L676-1 [2021-10-13 00:39:17,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:17,336 INFO L82 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2021-10-13 00:39:17,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:17,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831217751] [2021-10-13 00:39:17,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:17,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:17,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:17,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831217751] [2021-10-13 00:39:17,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831217751] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:17,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:17,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:17,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569098452] [2021-10-13 00:39:17,367 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:17,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:17,367 INFO L82 PathProgramCache]: Analyzing trace with hash 254830061, now seen corresponding path program 1 times [2021-10-13 00:39:17,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:17,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817422321] [2021-10-13 00:39:17,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:17,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:17,374 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:17,380 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:17,647 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:17,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:17,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:17,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:17,647 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:39:17,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:17,647 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:17,647 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:17,647 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration11_Loop [2021-10-13 00:39:17,647 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:17,647 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:17,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:17,964 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:17,964 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:39:17,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:17,965 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:17,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:17,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:17,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 00:39:17,988 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:17,988 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:18,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:18,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,014 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:39:18,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:18,016 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:18,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:18,024 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___2~0=0} Honda state: {ULTIMATE.start_eval_~tmp___2~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:18,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-13 00:39:18,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,043 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:39:18,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:18,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:18,066 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:18,066 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:18,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:18,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,089 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:39:18,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:18,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:18,103 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:18,104 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:18,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-13 00:39:18,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,128 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:39:18,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:18,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:18,146 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:18,146 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:18,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:18,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,167 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:39:18,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:18,168 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:18,177 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:39:18,177 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11=0} Honda state: {ULTIMATE.start_eval_#t~nondet11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:39:18,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 00:39:18,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,197 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:39:18,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:18,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:18,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-13 00:39:18,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,227 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 00:39:18,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:39:18,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:18,239 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:39:18,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:18,261 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:18,261 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:18,261 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:18,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:18,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:39:18,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:18,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:18,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration11_Loop [2021-10-13 00:39:18,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:18,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:18,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:18,580 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:18,580 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:39:18,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,582 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 00:39:18,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:18,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:18,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:18,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:18,592 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:18,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:18,592 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:39:18,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:18,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:18,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:18,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,617 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 00:39:18,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:18,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:18,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:18,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:18,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:18,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:18,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:18,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:18,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:18,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 00:39:18,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,652 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 00:39:18,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:18,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:18,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:18,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:18,662 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:18,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:18,662 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:39:18,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:18,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:18,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-13 00:39:18,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,687 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 00:39:18,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:18,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:18,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:18,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:18,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:18,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:18,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:18,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:18,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:18,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:18,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,721 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 00:39:18,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:18,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:18,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:18,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:18,731 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:18,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:18,732 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:39:18,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:18,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:18,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:18,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,758 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 00:39:18,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:18,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:18,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:18,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:18,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:18,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:18,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:18,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:18,770 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:39:18,772 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:39:18,772 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:39:18,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:18,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:18,773 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:18,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 00:39:18,774 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:39:18,774 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:39:18,774 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:39:18,775 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2021-10-13 00:39:18,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:18,797 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:39:18,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:18,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:39:18,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:18,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:39:18,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:19,289 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:39:19,289 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2157 states and 3613 transitions. cyclomatic complexity: 1465 Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:19,406 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2157 states and 3613 transitions. cyclomatic complexity: 1465. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 4282 states and 7173 transitions. Complement of second has 7 states. [2021-10-13 00:39:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:39:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 370 transitions. [2021-10-13 00:39:19,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 24 letters. Loop has 38 letters. [2021-10-13 00:39:19,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:19,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 62 letters. Loop has 38 letters. [2021-10-13 00:39:19,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:19,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 24 letters. Loop has 76 letters. [2021-10-13 00:39:19,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:19,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4282 states and 7173 transitions. [2021-10-13 00:39:19,454 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1969 [2021-10-13 00:39:19,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4282 states to 4227 states and 7095 transitions. [2021-10-13 00:39:19,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2202 [2021-10-13 00:39:19,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2210 [2021-10-13 00:39:19,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4227 states and 7095 transitions. [2021-10-13 00:39:19,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:19,528 INFO L681 BuchiCegarLoop]: Abstraction has 4227 states and 7095 transitions. [2021-10-13 00:39:19,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states and 7095 transitions. [2021-10-13 00:39:19,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:19,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 3465. [2021-10-13 00:39:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3465 states have (on average 1.6810966810966812) internal successors, (5825), 3464 states have internal predecessors, (5825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 5825 transitions. [2021-10-13 00:39:19,670 INFO L704 BuchiCegarLoop]: Abstraction has 3465 states and 5825 transitions. [2021-10-13 00:39:19,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:19,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:39:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:39:19,671 INFO L87 Difference]: Start difference. First operand 3465 states and 5825 transitions. 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) [2021-10-13 00:39:19,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:19,797 INFO L93 Difference]: Finished difference Result 5316 states and 8926 transitions. [2021-10-13 00:39:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:39:19,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5316 states and 8926 transitions. [2021-10-13 00:39:19,833 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 2292 [2021-10-13 00:39:19,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5316 states to 5316 states and 8926 transitions. [2021-10-13 00:39:19,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2664 [2021-10-13 00:39:19,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2664 [2021-10-13 00:39:19,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5316 states and 8926 transitions. [2021-10-13 00:39:19,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:19,889 INFO L681 BuchiCegarLoop]: Abstraction has 5316 states and 8926 transitions. [2021-10-13 00:39:19,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5316 states and 8926 transitions. [2021-10-13 00:39:19,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5316 to 4687. [2021-10-13 00:39:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4687 states, 4687 states have (on average 1.6867932579475144) internal successors, (7906), 4686 states have internal predecessors, (7906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 7906 transitions. [2021-10-13 00:39:20,012 INFO L704 BuchiCegarLoop]: Abstraction has 4687 states and 7906 transitions. [2021-10-13 00:39:20,012 INFO L587 BuchiCegarLoop]: Abstraction has 4687 states and 7906 transitions. [2021-10-13 00:39:20,012 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-13 00:39:20,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4687 states and 7906 transitions. [2021-10-13 00:39:20,060 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1893 [2021-10-13 00:39:20,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:20,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:20,061 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:20,061 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:20,061 INFO L791 eck$LassoCheckResult]: Stem: 32478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 32344#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 32345#L408 assume !(1 == ~c_req_up~0); 32276#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 32491#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 32492#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 32396#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 32397#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 32358#L439-1 assume !(0 == ~e_f~0); 32359#L444-1 assume !(0 == ~e_g~0); 32499#L449-1 assume !(0 == ~e_e~0); 32384#L454-1 assume !(0 == ~e_c~0); 32385#L459-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 32299#L464-1 assume !(1 == ~wl_pc~0); 32300#L476 assume !(2 == ~wl_pc~0); 33223#L477 assume !(1 == ~c1_pc~0); 33775#L487 assume !(1 == ~c2_pc~0); 33771#L496 assume !(1 == ~wb_pc~0); 33764#L505 assume !(1 == ~e_c~0); 33763#L514-1 assume !(1 == ~e_e~0); 33762#L519-1 assume !(1 == ~e_f~0); 33761#L524-1 assume !(1 == ~e_g~0); 33760#L529-1 assume !(1 == ~e_c~0); 33758#L534-1 assume !(1 == ~e_wl~0); 32211#L676-1 assume !false; 35444#L546 [2021-10-13 00:39:20,061 INFO L793 eck$LassoCheckResult]: Loop: 35444#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 36415#L381 assume !false; 36412#L299 assume 0 == ~wl_st~0; 36409#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 36405#L325 assume 0 != eval_~tmp~0;~wl_st~0 := 1;havoc write_loop_~t~0;havoc write_loop_~t~0; 36375#L58 assume 0 == ~wl_pc~0; 36361#L71 ~wl_st~0 := 2;~wl_pc~0 := 1;~e_wl~0 := 0; 36358#L321 assume !(0 == ~c1_st~0); 36320#L336 assume !(0 == ~c2_st~0); 36316#L351 assume !(0 == ~wb_st~0); 36311#L366 assume !(0 == ~r_st~0); 36308#L381 assume !false; 36307#L299 assume !(0 == ~wl_st~0); 36306#L303 assume !(0 == ~c1_st~0); 36305#L306 assume !(0 == ~c2_st~0); 36304#L309 assume !(0 == ~wb_st~0); 36302#L312 assume !(0 == ~r_st~0); 36301#L397 start_simulation_~kernel_st~0 := 2; 36147#L552 assume !(1 == ~c_req_up~0); 36148#L552-2 start_simulation_~kernel_st~0 := 3; 36367#L564 assume !(0 == ~e_f~0); 36362#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 36359#L569-1 assume !(0 == ~e_e~0); 36354#L574-1 assume !(0 == ~e_c~0); 36353#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 36349#L584-1 assume 1 == ~wl_pc~0; 36350#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 36294#L597 assume !(1 == ~c1_pc~0); 36438#L607 assume !(1 == ~c2_pc~0); 36433#L616 assume !(1 == ~wb_pc~0); 36431#L625 assume !(1 == ~e_c~0); 36429#L634-1 assume !(1 == ~e_e~0); 36427#L639-1 assume !(1 == ~e_f~0); 36425#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 36423#L649-1 assume !(1 == ~e_c~0); 36421#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 36420#L659-1 assume 0 == ~wl_st~0; 36419#L676-1 assume !false; 35444#L546 [2021-10-13 00:39:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:20,062 INFO L82 PathProgramCache]: Analyzing trace with hash -79370950, now seen corresponding path program 1 times [2021-10-13 00:39:20,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:20,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428523375] [2021-10-13 00:39:20,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:20,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:20,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:20,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428523375] [2021-10-13 00:39:20,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428523375] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:20,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:20,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:39:20,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24469341] [2021-10-13 00:39:20,090 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:20,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:20,090 INFO L82 PathProgramCache]: Analyzing trace with hash -368922987, now seen corresponding path program 1 times [2021-10-13 00:39:20,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:20,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239916850] [2021-10-13 00:39:20,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:20,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:20,097 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:20,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:20,405 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:20,405 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:20,405 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:20,405 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:20,405 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:39:20,405 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:20,405 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:20,405 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:20,406 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration12_Loop [2021-10-13 00:39:20,406 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:20,406 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:20,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,695 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:20,695 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:39:20,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:20,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:20,697 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:20,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:39:20,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:20,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 00:39:20,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-13 00:39:20,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:20,740 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:20,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:39:20,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:39:20,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 00:39:20,754 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:39:20,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-13 00:39:20,773 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:20,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:20,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:20,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:20,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:39:20,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:20,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:20,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:20,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration12_Loop [2021-10-13 00:39:20,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:20,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:20,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:20,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:21,103 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:21,103 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:39:21,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:21,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:21,111 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:21,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:21,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:21,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:21,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:21,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:21,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:21,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 00:39:21,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:21,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:21,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:39:21,129 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:39:21,129 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:39:21,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:21,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:21,130 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:21,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 00:39:21,131 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:39:21,131 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:39:21,131 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:39:21,131 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2021-10-13 00:39:21,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:21,153 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:39:21,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:21,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:39:21,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:21,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:39:21,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:21,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:21,683 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:39:21,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4687 states and 7906 transitions. cyclomatic complexity: 3238 Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:21,830 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4687 states and 7906 transitions. cyclomatic complexity: 3238. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 12056 states and 20297 transitions. Complement of second has 7 states. [2021-10-13 00:39:21,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:39:21,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 214 transitions. [2021-10-13 00:39:21,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 25 letters. Loop has 38 letters. [2021-10-13 00:39:21,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:21,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 63 letters. Loop has 38 letters. [2021-10-13 00:39:21,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:21,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 25 letters. Loop has 76 letters. [2021-10-13 00:39:21,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:21,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12056 states and 20297 transitions. [2021-10-13 00:39:21,911 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 2885 [2021-10-13 00:39:21,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12056 states to 10119 states and 17059 transitions. [2021-10-13 00:39:21,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3672 [2021-10-13 00:39:21,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3688 [2021-10-13 00:39:21,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10119 states and 17059 transitions. [2021-10-13 00:39:21,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:21,997 INFO L681 BuchiCegarLoop]: Abstraction has 10119 states and 17059 transitions. [2021-10-13 00:39:22,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10119 states and 17059 transitions. [2021-10-13 00:39:22,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10119 to 8392. [2021-10-13 00:39:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8392 states, 8392 states have (on average 1.6898236415633938) internal successors, (14181), 8391 states have internal predecessors, (14181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8392 states to 8392 states and 14181 transitions. [2021-10-13 00:39:22,256 INFO L704 BuchiCegarLoop]: Abstraction has 8392 states and 14181 transitions. [2021-10-13 00:39:22,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:22,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:39:22,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:39:22,258 INFO L87 Difference]: Start difference. First operand 8392 states and 14181 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:22,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:22,368 INFO L93 Difference]: Finished difference Result 11272 states and 18726 transitions. [2021-10-13 00:39:22,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:39:22,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11272 states and 18726 transitions. [2021-10-13 00:39:22,547 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 3138 [2021-10-13 00:39:22,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11272 states to 11272 states and 18726 transitions. [2021-10-13 00:39:22,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3925 [2021-10-13 00:39:22,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3925 [2021-10-13 00:39:22,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11272 states and 18726 transitions. [2021-10-13 00:39:22,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:22,607 INFO L681 BuchiCegarLoop]: Abstraction has 11272 states and 18726 transitions. [2021-10-13 00:39:22,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11272 states and 18726 transitions. [2021-10-13 00:39:22,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11272 to 10394. [2021-10-13 00:39:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10394 states, 10394 states have (on average 1.6680777371560516) internal successors, (17338), 10393 states have internal predecessors, (17338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10394 states to 10394 states and 17338 transitions. [2021-10-13 00:39:22,867 INFO L704 BuchiCegarLoop]: Abstraction has 10394 states and 17338 transitions. [2021-10-13 00:39:22,867 INFO L587 BuchiCegarLoop]: Abstraction has 10394 states and 17338 transitions. [2021-10-13 00:39:22,867 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-13 00:39:22,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10394 states and 17338 transitions. [2021-10-13 00:39:22,913 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 2993 [2021-10-13 00:39:22,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:22,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:22,914 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:22,914 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:22,915 INFO L791 eck$LassoCheckResult]: Stem: 69094#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 68968#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 68969#L408 assume !(1 == ~c_req_up~0); 69067#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 69068#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 69105#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 69106#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 69095#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 69096#L439-1 assume !(0 == ~e_f~0); 68850#L444-1 assume !(0 == ~e_g~0); 68851#L449-1 assume !(0 == ~e_e~0); 69014#L454-1 assume !(0 == ~e_c~0); 69015#L459-1 assume !(0 == ~e_wl~0); 69139#L464-1 assume !(1 == ~wl_pc~0); 68981#L476 assume !(2 == ~wl_pc~0); 68982#L477 assume !(1 == ~c1_pc~0); 69129#L487 assume !(1 == ~c2_pc~0); 69124#L496 assume !(1 == ~wb_pc~0); 69121#L505 assume !(1 == ~e_c~0); 69120#L514-1 assume !(1 == ~e_e~0); 69119#L519-1 assume !(1 == ~e_f~0); 69118#L524-1 assume !(1 == ~e_g~0); 69112#L529-1 assume !(1 == ~e_c~0); 69113#L534-1 assume !(1 == ~e_wl~0); 73340#L676-1 assume !false; 73341#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 75656#L381 [2021-10-13 00:39:22,915 INFO L793 eck$LassoCheckResult]: Loop: 75656#L381 assume !false; 78367#L299 assume 0 == ~wl_st~0; 78366#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 78364#L325 assume !(0 != eval_~tmp~0); 78365#L321 assume !(0 == ~c1_st~0); 78404#L336 assume !(0 == ~c2_st~0); 78400#L351 assume !(0 == ~wb_st~0); 78372#L366 assume !(0 == ~r_st~0); 75656#L381 [2021-10-13 00:39:22,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2021-10-13 00:39:22,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:22,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717880261] [2021-10-13 00:39:22,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:22,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:22,931 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:22,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:22,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:22,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1289372155, now seen corresponding path program 1 times [2021-10-13 00:39:22,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:22,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728951503] [2021-10-13 00:39:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:22,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:23,036 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:23,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:23,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:23,040 INFO L82 PathProgramCache]: Analyzing trace with hash 370417651, now seen corresponding path program 1 times [2021-10-13 00:39:23,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:23,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764465622] [2021-10-13 00:39:23,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:23,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:23,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:23,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764465622] [2021-10-13 00:39:23,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764465622] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:23,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:23,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:23,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454288974] [2021-10-13 00:39:23,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:23,166 INFO L87 Difference]: Start difference. First operand 10394 states and 17338 transitions. cyclomatic complexity: 6999 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:23,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:23,401 INFO L93 Difference]: Finished difference Result 16129 states and 26683 transitions. [2021-10-13 00:39:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:23,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16129 states and 26683 transitions. [2021-10-13 00:39:23,585 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4724 [2021-10-13 00:39:23,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16129 states to 16129 states and 26683 transitions. [2021-10-13 00:39:23,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5804 [2021-10-13 00:39:23,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5804 [2021-10-13 00:39:23,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16129 states and 26683 transitions. [2021-10-13 00:39:23,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:23,731 INFO L681 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-13 00:39:23,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16129 states and 26683 transitions. [2021-10-13 00:39:24,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16129 to 16129. [2021-10-13 00:39:24,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16129 states, 16129 states have (on average 1.6543493086986174) internal successors, (26683), 16128 states have internal predecessors, (26683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16129 states to 16129 states and 26683 transitions. [2021-10-13 00:39:24,106 INFO L704 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-13 00:39:24,106 INFO L587 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-13 00:39:24,106 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-13 00:39:24,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16129 states and 26683 transitions. [2021-10-13 00:39:24,283 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4724 [2021-10-13 00:39:24,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:24,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:24,284 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:24,284 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:24,284 INFO L791 eck$LassoCheckResult]: Stem: 95636#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 95497#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 95498#L408 assume !(1 == ~c_req_up~0); 95429#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 95644#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 95645#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 95553#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 95554#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 95510#L439-1 assume !(0 == ~e_f~0); 95511#L444-1 assume !(0 == ~e_g~0); 95621#L449-1 assume !(0 == ~e_e~0); 95622#L454-1 assume !(0 == ~e_c~0); 95669#L459-1 assume !(0 == ~e_wl~0); 95668#L464-1 assume !(1 == ~wl_pc~0); 95665#L476 assume !(2 == ~wl_pc~0); 95664#L477 assume !(1 == ~c1_pc~0); 95662#L487 assume !(1 == ~c2_pc~0); 95660#L496 assume !(1 == ~wb_pc~0); 95658#L505 assume !(1 == ~e_c~0); 95657#L514-1 assume !(1 == ~e_e~0); 95656#L519-1 assume !(1 == ~e_f~0); 95655#L524-1 assume !(1 == ~e_g~0); 95649#L529-1 assume !(1 == ~e_c~0); 95650#L534-1 assume !(1 == ~e_wl~0); 102087#L676-1 assume !false; 102088#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 105724#L381 [2021-10-13 00:39:24,284 INFO L793 eck$LassoCheckResult]: Loop: 105724#L381 assume !false; 107171#L299 assume 0 == ~wl_st~0; 107168#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 107161#L325 assume !(0 != eval_~tmp~0); 107162#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 107194#L340 assume !(0 != eval_~tmp___0~0); 107192#L336 assume !(0 == ~c2_st~0); 107180#L351 assume !(0 == ~wb_st~0); 107174#L366 assume !(0 == ~r_st~0); 105724#L381 [2021-10-13 00:39:24,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:24,286 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2021-10-13 00:39:24,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:24,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140504721] [2021-10-13 00:39:24,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:24,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:24,299 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:24,314 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:24,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:24,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1265058912, now seen corresponding path program 1 times [2021-10-13 00:39:24,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:24,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666473410] [2021-10-13 00:39:24,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:24,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:24,321 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:24,324 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:24,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:24,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1452726936, now seen corresponding path program 1 times [2021-10-13 00:39:24,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:24,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833424431] [2021-10-13 00:39:24,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:24,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:24,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:24,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833424431] [2021-10-13 00:39:24,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833424431] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:24,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:24,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:24,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102430497] [2021-10-13 00:39:24,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:24,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:24,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:24,427 INFO L87 Difference]: Start difference. First operand 16129 states and 26683 transitions. cyclomatic complexity: 10609 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:24,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:24,537 INFO L93 Difference]: Finished difference Result 24580 states and 40120 transitions. [2021-10-13 00:39:24,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:24,538 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24580 states and 40120 transitions. [2021-10-13 00:39:24,649 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-13 00:39:24,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24580 states to 24580 states and 40120 transitions. [2021-10-13 00:39:24,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8934 [2021-10-13 00:39:24,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8934 [2021-10-13 00:39:24,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24580 states and 40120 transitions. [2021-10-13 00:39:24,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:24,887 INFO L681 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-13 00:39:24,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24580 states and 40120 transitions. [2021-10-13 00:39:25,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24580 to 24580. [2021-10-13 00:39:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24580 states, 24580 states have (on average 1.6322213181448333) internal successors, (40120), 24579 states have internal predecessors, (40120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24580 states to 24580 states and 40120 transitions. [2021-10-13 00:39:25,375 INFO L704 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-13 00:39:25,375 INFO L587 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-13 00:39:25,375 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-13 00:39:25,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24580 states and 40120 transitions. [2021-10-13 00:39:25,473 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-13 00:39:25,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:25,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:25,474 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:25,474 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:25,475 INFO L791 eck$LassoCheckResult]: Stem: 136378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 136219#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 136220#L408 assume !(1 == ~c_req_up~0); 136344#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 136345#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 136388#L424-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 136389#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 136379#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 136380#L439-1 assume !(0 == ~e_f~0); 136098#L444-1 assume !(0 == ~e_g~0); 136099#L449-1 assume !(0 == ~e_e~0); 136272#L454-1 assume !(0 == ~e_c~0); 136273#L459-1 assume !(0 == ~e_wl~0); 136443#L464-1 assume !(1 == ~wl_pc~0); 136442#L476 assume !(2 == ~wl_pc~0); 136435#L477 assume !(1 == ~c1_pc~0); 136434#L487 assume !(1 == ~c2_pc~0); 136423#L496 assume !(1 == ~wb_pc~0); 136422#L505 assume !(1 == ~e_c~0); 136416#L514-1 assume !(1 == ~e_e~0); 136414#L519-1 assume !(1 == ~e_f~0); 136415#L524-1 assume !(1 == ~e_g~0); 139323#L529-1 assume !(1 == ~e_c~0); 139313#L534-1 assume !(1 == ~e_wl~0); 139304#L676-1 assume !false; 139305#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 148347#L381 [2021-10-13 00:39:25,475 INFO L793 eck$LassoCheckResult]: Loop: 148347#L381 assume !false; 148345#L299 assume 0 == ~wl_st~0; 148344#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 148343#L325 assume !(0 != eval_~tmp~0); 148342#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 148335#L340 assume !(0 != eval_~tmp___0~0); 148341#L336 assume !(0 == ~c2_st~0); 148413#L351 assume !(0 == ~wb_st~0); 148353#L366 assume !(0 == ~r_st~0); 148347#L381 [2021-10-13 00:39:25,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:25,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2021-10-13 00:39:25,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:25,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107445394] [2021-10-13 00:39:25,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:25,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:25,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:25,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107445394] [2021-10-13 00:39:25,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107445394] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:25,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:25,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:25,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373234842] [2021-10-13 00:39:25,511 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:39:25,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:25,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1265058912, now seen corresponding path program 2 times [2021-10-13 00:39:25,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:25,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765345469] [2021-10-13 00:39:25,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:25,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:25,519 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:25,526 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:25,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:25,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:25,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:25,587 INFO L87 Difference]: Start difference. First operand 24580 states and 40120 transitions. cyclomatic complexity: 15595 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:25,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:25,891 INFO L93 Difference]: Finished difference Result 24508 states and 39999 transitions. [2021-10-13 00:39:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:25,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24508 states and 39999 transitions. [2021-10-13 00:39:26,008 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-13 00:39:26,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24508 states to 24508 states and 39999 transitions. [2021-10-13 00:39:26,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8866 [2021-10-13 00:39:26,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8866 [2021-10-13 00:39:26,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24508 states and 39999 transitions. [2021-10-13 00:39:26,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:26,107 INFO L681 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-13 00:39:26,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24508 states and 39999 transitions. [2021-10-13 00:39:26,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24508 to 24508. [2021-10-13 00:39:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24508 states, 24508 states have (on average 1.6320793210380284) internal successors, (39999), 24507 states have internal predecessors, (39999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:26,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24508 states to 24508 states and 39999 transitions. [2021-10-13 00:39:26,573 INFO L704 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-13 00:39:26,574 INFO L587 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-13 00:39:26,574 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-13 00:39:26,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24508 states and 39999 transitions. [2021-10-13 00:39:26,791 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-13 00:39:26,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:26,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:26,798 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:26,798 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:26,798 INFO L791 eck$LassoCheckResult]: Stem: 185451#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 185309#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 185310#L408 assume !(1 == ~c_req_up~0); 185423#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 185424#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 185459#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 185460#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 185452#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 185453#L439-1 assume !(0 == ~e_f~0); 185192#L444-1 assume !(0 == ~e_g~0); 185193#L449-1 assume !(0 == ~e_e~0); 185358#L454-1 assume !(0 == ~e_c~0); 185359#L459-1 assume !(0 == ~e_wl~0); 185501#L464-1 assume !(1 == ~wl_pc~0); 185321#L476 assume !(2 == ~wl_pc~0); 185322#L477 assume !(1 == ~c1_pc~0); 185491#L487 assume !(1 == ~c2_pc~0); 185486#L496 assume !(1 == ~wb_pc~0); 185483#L505 assume !(1 == ~e_c~0); 185482#L514-1 assume !(1 == ~e_e~0); 185481#L519-1 assume !(1 == ~e_f~0); 185480#L524-1 assume !(1 == ~e_g~0); 185474#L529-1 assume !(1 == ~e_c~0); 185176#L534-1 assume !(1 == ~e_wl~0); 185177#L676-1 assume !false; 191342#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 191343#L381 [2021-10-13 00:39:26,805 INFO L793 eck$LassoCheckResult]: Loop: 191343#L381 assume !false; 207749#L299 assume 0 == ~wl_st~0; 207747#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 207745#L325 assume !(0 != eval_~tmp~0); 207640#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 207638#L340 assume !(0 != eval_~tmp___0~0); 207637#L336 assume 0 == ~c2_st~0;eval_~tmp___1~0 := eval_#t~nondet9;havoc eval_#t~nondet9; 207625#L355 assume !(0 != eval_~tmp___1~0); 207636#L351 assume !(0 == ~wb_st~0); 207754#L366 assume !(0 == ~r_st~0); 191343#L381 [2021-10-13 00:39:26,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:26,814 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2021-10-13 00:39:26,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:26,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393937137] [2021-10-13 00:39:26,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:26,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:26,827 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:26,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:26,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:26,842 INFO L82 PathProgramCache]: Analyzing trace with hash 560500646, now seen corresponding path program 1 times [2021-10-13 00:39:26,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:26,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580201801] [2021-10-13 00:39:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:26,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:26,849 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:26,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:26,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:26,853 INFO L82 PathProgramCache]: Analyzing trace with hash -2086482018, now seen corresponding path program 1 times [2021-10-13 00:39:26,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:26,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432960834] [2021-10-13 00:39:26,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:26,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:26,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:26,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432960834] [2021-10-13 00:39:26,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432960834] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:26,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:26,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:26,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648227070] [2021-10-13 00:39:26,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:26,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:26,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:26,960 INFO L87 Difference]: Start difference. First operand 24508 states and 39999 transitions. cyclomatic complexity: 15546 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:27,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:27,304 INFO L93 Difference]: Finished difference Result 40806 states and 65442 transitions. [2021-10-13 00:39:27,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:27,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40806 states and 65442 transitions. [2021-10-13 00:39:27,494 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 12598 [2021-10-13 00:39:27,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40806 states to 40806 states and 65442 transitions. [2021-10-13 00:39:27,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14826 [2021-10-13 00:39:27,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14826 [2021-10-13 00:39:27,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40806 states and 65442 transitions. [2021-10-13 00:39:27,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:39:27,671 INFO L681 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-13 00:39:27,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40806 states and 65442 transitions. [2021-10-13 00:39:28,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40806 to 40806. [2021-10-13 00:39:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40806 states, 40806 states have (on average 1.6037347448904573) internal successors, (65442), 40805 states have internal predecessors, (65442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40806 states to 40806 states and 65442 transitions. [2021-10-13 00:39:28,565 INFO L704 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-13 00:39:28,565 INFO L587 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-13 00:39:28,565 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-13 00:39:28,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40806 states and 65442 transitions. [2021-10-13 00:39:28,696 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 12598 [2021-10-13 00:39:28,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:28,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:28,697 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:28,697 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:28,697 INFO L791 eck$LassoCheckResult]: Stem: 250807#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 250632#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~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;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 250633#L408 assume !(1 == ~c_req_up~0); 250562#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 250820#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 250821#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 250695#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 250696#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 250646#L439-1 assume !(0 == ~e_f~0); 250647#L444-1 assume !(0 == ~e_g~0); 250785#L449-1 assume !(0 == ~e_e~0); 250786#L454-1 assume !(0 == ~e_c~0); 250855#L459-1 assume !(0 == ~e_wl~0); 250854#L464-1 assume !(1 == ~wl_pc~0); 250851#L476 assume !(2 == ~wl_pc~0); 250850#L477 assume !(1 == ~c1_pc~0); 250848#L487 assume !(1 == ~c2_pc~0); 250846#L496 assume !(1 == ~wb_pc~0); 250844#L505 assume !(1 == ~e_c~0); 250843#L514-1 assume !(1 == ~e_e~0); 250842#L519-1 assume !(1 == ~e_f~0); 250841#L524-1 assume !(1 == ~e_g~0); 250835#L529-1 assume !(1 == ~e_c~0); 250836#L534-1 assume !(1 == ~e_wl~0); 264160#L676-1 assume !false; 264161#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 281256#L381 [2021-10-13 00:39:28,698 INFO L793 eck$LassoCheckResult]: Loop: 281256#L381 assume !false; 285885#L299 assume 0 == ~wl_st~0; 285884#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 285883#L325 assume !(0 != eval_~tmp~0); 285574#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 285572#L340 assume !(0 != eval_~tmp___0~0); 285571#L336 assume 0 == ~c2_st~0;eval_~tmp___1~0 := eval_#t~nondet9;havoc eval_#t~nondet9; 285567#L355 assume !(0 != eval_~tmp___1~0); 285565#L351 assume 0 == ~wb_st~0;eval_~tmp___2~0 := eval_#t~nondet10;havoc eval_#t~nondet10; 285543#L370 assume !(0 != eval_~tmp___2~0); 285564#L366 assume !(0 == ~r_st~0); 281256#L381 [2021-10-13 00:39:28,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:28,698 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2021-10-13 00:39:28,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:28,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713491863] [2021-10-13 00:39:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:28,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:28,898 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:28,938 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:28,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:28,939 INFO L82 PathProgramCache]: Analyzing trace with hash 195616437, now seen corresponding path program 1 times [2021-10-13 00:39:28,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:28,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878504616] [2021-10-13 00:39:28,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:28,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:28,954 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:28,958 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:28,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:28,962 INFO L82 PathProgramCache]: Analyzing trace with hash -256467523, now seen corresponding path program 1 times [2021-10-13 00:39:28,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:28,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507128918] [2021-10-13 00:39:28,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:28,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:28,986 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:29,000 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:30,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:39:30 BoogieIcfgContainer [2021-10-13 00:39:30,213 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:39:30,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:39:30,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:39:30,214 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:39:30,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:08" (3/4) ... [2021-10-13 00:39:30,218 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:39:30,268 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:39:30,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:39:30,269 INFO L168 Benchmark]: Toolchain (without parser) took 23289.54 ms. Allocated memory was 119.5 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 81.0 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 615.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:30,270 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 119.5 MB. Free memory is still 98.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:39:30,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.20 ms. Allocated memory is still 119.5 MB. Free memory was 80.9 MB in the beginning and 90.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:30,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.39 ms. Allocated memory is still 119.5 MB. Free memory was 90.8 MB in the beginning and 88.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:30,271 INFO L168 Benchmark]: Boogie Preprocessor took 86.27 ms. Allocated memory is still 119.5 MB. Free memory was 88.7 MB in the beginning and 86.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:30,272 INFO L168 Benchmark]: RCFGBuilder took 715.88 ms. Allocated memory is still 119.5 MB. Free memory was 86.6 MB in the beginning and 66.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:30,272 INFO L168 Benchmark]: BuchiAutomizer took 21950.17 ms. Allocated memory was 119.5 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 66.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 601.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:30,273 INFO L168 Benchmark]: Witness Printer took 54.96 ms. Allocated memory is still 2.9 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:30,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 119.5 MB. Free memory is still 98.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 400.20 ms. Allocated memory is still 119.5 MB. Free memory was 80.9 MB in the beginning and 90.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.39 ms. Allocated memory is still 119.5 MB. Free memory was 90.8 MB in the beginning and 88.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.27 ms. Allocated memory is still 119.5 MB. Free memory was 88.7 MB in the beginning and 86.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 715.88 ms. Allocated memory is still 119.5 MB. Free memory was 86.6 MB in the beginning and 66.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 21950.17 ms. Allocated memory was 119.5 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 66.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 601.5 MB. Max. memory is 16.1 GB. * Witness Printer took 54.96 ms. Allocated memory is still 2.9 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 21 terminating modules (16 trivial, 5 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 -2 * e_c + 3 and consists of 4 locations. One deterministic module has affine ranking function -1 * e_e + 1 and consists of 3 locations. One deterministic module has affine ranking function -2 * wl_pc + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * wl_pc + 1 and consists of 4 locations. 16 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 40806 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.8s and 17 iterations. TraceHistogramMax:2. Analysis of lassos took 10.8s. Construction of modules took 0.5s. Büchi inclusion checks took 3.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 16. Automata minimization 3397.4ms AutomataMinimizationTime, 21 MinimizatonAttempts, 5512 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 2.0s Buchi closure took 0.0s. Biggest automaton had 40806 states and ocurred in iteration 16. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 5511 SDtfs, 5051 SDslu, 3671 SDs, 0 SdLazy, 491 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 538.0ms Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT1 SILN1 SILU0 SILI5 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq183 hnf97 smp100 dnf186 smp67 tf110 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 21 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 298]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10950} State at position 1 is {wb_st=0, NULL=0, NULL=10950, c2_st=0, tmp=0, e_c=2, e_e=2, e_p_in=0, kernel_st=1, t_b=0, tmp___2=0, wb_pc=0, tmp___0=0, wb_i=1, c_t=0, NULL=0, NULL=0, c=0, wl_st=0, c2_pc=0, r_i=0, e_f=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8e5a198=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60a1cc5d=0, NULL=0, r_st=2, __retres1=0, p_out=0, NULL=10952, processed=0, \result=0, wl_pc=0, e_wl=2, tmp___1=0, data=0, p_in=0, tmp___3=0, c_req_up=0, NULL=10951, wl_i=1, NULL=0, c1_st=0, NULL=10953, c1_i=1, c2_i=1, d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66738c79=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d18acd9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c688899=0, e_g=2, c1_pc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 298]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L20] int c ; [L21] int c_t ; [L22] int c_req_up ; [L23] int p_in ; [L24] int p_out ; [L25] int wl_st ; [L26] int c1_st ; [L27] int c2_st ; [L28] int wb_st ; [L29] int r_st ; [L30] int wl_i ; [L31] int c1_i ; [L32] int c2_i ; [L33] int wb_i ; [L34] int r_i ; [L35] int wl_pc ; [L36] int c1_pc ; [L37] int c2_pc ; [L38] int wb_pc ; [L39] int e_e ; [L40] int e_f ; [L41] int e_g ; [L42] int e_c ; [L43] int e_p_in ; [L44] int e_wl ; [L50] int d ; [L51] int data ; [L52] int processed ; [L53] static int t_b ; [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 [L404] int kernel_st ; [L407] kernel_st = 0 [L408] COND FALSE !((int )c_req_up == 1) [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 [L444] COND FALSE !((int )e_f == 0) [L449] COND FALSE !((int )e_g == 0) [L454] COND FALSE !((int )e_e == 0) [L459] COND FALSE !((int )e_c == 0) [L464] COND FALSE !((int )e_wl == 0) [L469] COND FALSE !((int )wl_pc == 1) [L477] COND FALSE !((int )wl_pc == 2) [L487] COND FALSE !((int )c1_pc == 1) [L496] COND FALSE !((int )c2_pc == 1) [L505] COND FALSE !((int )wb_pc == 1) [L514] COND FALSE !((int )e_c == 1) [L519] COND FALSE !((int )e_e == 1) [L524] COND FALSE !((int )e_f == 1) [L529] COND FALSE !((int )e_g == 1) [L534] COND FALSE !((int )e_c == 1) [L539] COND FALSE !((int )e_wl == 1) [L545] COND TRUE 1 [L548] kernel_st = 1 [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; 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! [2021-10-13 00:39:30,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e953ee-6ed1-4d0d-a46c-5fbd20a7dbab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...