./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be --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 e9a06db73e82e132e013fcc47f3d25846deaa9fbcdfb8973f2a147d12a01c9e5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-e943c26 [2021-10-21 20:18:17,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:18:17,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:18:17,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:18:17,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:18:17,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:18:17,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:18:17,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:18:17,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:18:17,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:18:17,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:18:17,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:18:17,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:18:17,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:18:17,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:18:17,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:18:17,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:18:17,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:18:17,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:18:17,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:18:17,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:18:17,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:18:17,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:18:17,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:18:17,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:18:17,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:18:17,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:18:17,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:18:17,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:18:17,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:18:17,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:18:17,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:18:17,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:18:17,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:18:17,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:18:17,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:18:17,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:18:17,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:18:17,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:18:17,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:18:17,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:18:17,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:18:17,651 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:18:17,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:18:17,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:18:17,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:18:17,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:18:17,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:18:17,660 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:18:17,660 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:18:17,660 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:18:17,660 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:18:17,662 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:18:17,662 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:18:17,662 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:18:17,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:18:17,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:18:17,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:18:17,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:18:17,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:18:17,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:18:17,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:18:17,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:18:17,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:18:17,664 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:18:17,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:18:17,665 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:18:17,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:18:17,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:18:17,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:18:17,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:18:17,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:18:17,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:18:17,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:18:17,668 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:18:17,669 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_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9a06db73e82e132e013fcc47f3d25846deaa9fbcdfb8973f2a147d12a01c9e5 [2021-10-21 20:18:18,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:18:18,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:18:18,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:18:18,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:18:18,034 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:18:18,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/systemc/toy1.cil.c [2021-10-21 20:18:18,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/data/d7fd1e62a/254e9fe202e249d6a8994565e1a479e4/FLAG5acf1a56a [2021-10-21 20:18:18,672 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:18:18,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/sv-benchmarks/c/systemc/toy1.cil.c [2021-10-21 20:18:18,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/data/d7fd1e62a/254e9fe202e249d6a8994565e1a479e4/FLAG5acf1a56a [2021-10-21 20:18:18,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/data/d7fd1e62a/254e9fe202e249d6a8994565e1a479e4 [2021-10-21 20:18:18,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:18:19,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:18:19,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:19,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:18:19,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:18:19,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:18:18" (1/1) ... [2021-10-21 20:18:19,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a432ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19, skipping insertion in model container [2021-10-21 20:18:19,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:18:18" (1/1) ... [2021-10-21 20:18:19,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:18:19,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:18:19,231 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_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/sv-benchmarks/c/systemc/toy1.cil.c[393,406] [2021-10-21 20:18:19,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:18:19,318 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:18:19,332 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_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/sv-benchmarks/c/systemc/toy1.cil.c[393,406] [2021-10-21 20:18:19,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:18:19,389 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:18:19,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19 WrapperNode [2021-10-21 20:18:19,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:19,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:18:19,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:18:19,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:18:19,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:18:19,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:18:19,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:18:19,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:18:19,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:18:19,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:18:19,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:18:19,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:18:19,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (1/1) ... [2021-10-21 20:18:19,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:19,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:19,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:19,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:18:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:18:20,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:18:20,226 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-21 20:18:20,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:20 BoogieIcfgContainer [2021-10-21 20:18:20,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:18:20,235 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:18:20,237 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:18:20,242 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:18:20,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:18:20,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:18:18" (1/3) ... [2021-10-21 20:18:20,245 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@493be0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:18:20, skipping insertion in model container [2021-10-21 20:18:20,245 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:18:20,245 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:19" (2/3) ... [2021-10-21 20:18:20,246 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@493be0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:18:20, skipping insertion in model container [2021-10-21 20:18:20,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:18:20,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:20" (3/3) ... [2021-10-21 20:18:20,247 INFO L389 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2021-10-21 20:18:20,292 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:18:20,292 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:18:20,292 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:18:20,292 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:18:20,292 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:18:20,292 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:18:20,292 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:18:20,293 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:18:20,321 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) [2021-10-21 20:18:20,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-21 20:18:20,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:20,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:20,371 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] [2021-10-21 20:18:20,371 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] [2021-10-21 20:18:20,371 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:18:20,373 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) [2021-10-21 20:18:20,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-21 20:18:20,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:20,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:20,385 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] [2021-10-21 20:18:20,385 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] [2021-10-21 20:18:20,394 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 [2021-10-21 20:18:20,395 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 [2021-10-21 20:18:20,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:20,402 INFO L82 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2021-10-21 20:18:20,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:20,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725937888] [2021-10-21 20:18:20,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:20,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:20,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:20,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725937888] [2021-10-21 20:18:20,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725937888] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:20,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:20,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:20,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964907876] [2021-10-21 20:18:20,659 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:20,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:20,660 INFO L82 PathProgramCache]: Analyzing trace with hash 476885301, now seen corresponding path program 1 times [2021-10-21 20:18:20,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:20,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777330716] [2021-10-21 20:18:20,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:20,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:20,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:20,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777330716] [2021-10-21 20:18:20,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777330716] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:20,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:20,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:18:20,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58854663] [2021-10-21 20:18:20,683 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:18:20,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:20,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:18:20,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:18:20,708 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) [2021-10-21 20:18:20,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:20,728 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2021-10-21 20:18:20,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:18:20,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 127 states and 221 transitions. [2021-10-21 20:18:20,735 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-21 20:18:20,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 127 states to 121 states and 215 transitions. [2021-10-21 20:18:20,741 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-21 20:18:20,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-21 20:18:20,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 215 transitions. [2021-10-21 20:18:20,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:18:20,745 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-21 20:18:20,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 215 transitions. [2021-10-21 20:18:20,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-21 20:18:20,802 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) [2021-10-21 20:18:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 215 transitions. [2021-10-21 20:18:20,807 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-21 20:18:20,807 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-21 20:18:20,808 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:18:20,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 215 transitions. [2021-10-21 20:18:20,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-21 20:18:20,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:20,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:20,826 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] [2021-10-21 20:18:20,829 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] [2021-10-21 20:18:20,829 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 [2021-10-21 20:18:20,830 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 [2021-10-21 20:18:20,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:20,832 INFO L82 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2021-10-21 20:18:20,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:20,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464531449] [2021-10-21 20:18:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:20,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:20,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:20,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464531449] [2021-10-21 20:18:20,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464531449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:20,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:20,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:20,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105341623] [2021-10-21 20:18:20,897 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:20,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:20,898 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 1 times [2021-10-21 20:18:20,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:20,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818416579] [2021-10-21 20:18:20,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:20,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:20,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:20,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818416579] [2021-10-21 20:18:20,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818416579] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:20,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:20,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:20,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262665492] [2021-10-21 20:18:20,942 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:18:20,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:20,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:20,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:20,944 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) [2021-10-21 20:18:20,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:20,979 INFO L93 Difference]: Finished difference Result 121 states and 214 transitions. [2021-10-21 20:18:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:20,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 214 transitions. [2021-10-21 20:18:20,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-21 20:18:20,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 214 transitions. [2021-10-21 20:18:20,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-21 20:18:20,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-21 20:18:20,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 214 transitions. [2021-10-21 20:18:20,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:18:20,995 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-21 20:18:20,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 214 transitions. [2021-10-21 20:18:21,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-21 20:18:21,013 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) [2021-10-21 20:18:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 214 transitions. [2021-10-21 20:18:21,015 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-21 20:18:21,016 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-21 20:18:21,016 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:18:21,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 214 transitions. [2021-10-21 20:18:21,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-21 20:18:21,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:21,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:21,023 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] [2021-10-21 20:18:21,023 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] [2021-10-21 20:18:21,024 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 [2021-10-21 20:18:21,024 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 [2021-10-21 20:18:21,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:21,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2021-10-21 20:18:21,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:21,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18067331] [2021-10-21 20:18:21,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:21,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:21,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:21,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18067331] [2021-10-21 20:18:21,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18067331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:21,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:21,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:21,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207634426] [2021-10-21 20:18:21,130 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:21,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:21,134 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 2 times [2021-10-21 20:18:21,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:21,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086853052] [2021-10-21 20:18:21,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:21,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:21,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:21,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086853052] [2021-10-21 20:18:21,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086853052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:21,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:21,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:21,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352955632] [2021-10-21 20:18:21,179 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:18:21,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:21,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:21,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:21,181 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) [2021-10-21 20:18:21,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:21,199 INFO L93 Difference]: Finished difference Result 121 states and 213 transitions. [2021-10-21 20:18:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:21,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 213 transitions. [2021-10-21 20:18:21,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-21 20:18:21,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 213 transitions. [2021-10-21 20:18:21,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-21 20:18:21,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-21 20:18:21,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 213 transitions. [2021-10-21 20:18:21,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:18:21,215 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-21 20:18:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 213 transitions. [2021-10-21 20:18:21,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-21 20:18:21,224 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) [2021-10-21 20:18:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 213 transitions. [2021-10-21 20:18:21,225 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-21 20:18:21,225 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-21 20:18:21,225 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:18:21,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 213 transitions. [2021-10-21 20:18:21,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-21 20:18:21,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:21,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:21,228 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] [2021-10-21 20:18:21,228 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] [2021-10-21 20:18:21,228 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 [2021-10-21 20:18:21,229 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 [2021-10-21 20:18:21,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:21,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2021-10-21 20:18:21,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:21,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459215312] [2021-10-21 20:18:21,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:21,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:21,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:21,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459215312] [2021-10-21 20:18:21,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459215312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:21,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:21,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:21,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184979387] [2021-10-21 20:18:21,284 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:21,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:21,285 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 3 times [2021-10-21 20:18:21,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:21,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901994037] [2021-10-21 20:18:21,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:21,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:21,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:21,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901994037] [2021-10-21 20:18:21,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901994037] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:21,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:21,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:21,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966263242] [2021-10-21 20:18:21,335 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:18:21,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:21,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:21,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:21,336 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) [2021-10-21 20:18:21,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:21,366 INFO L93 Difference]: Finished difference Result 121 states and 212 transitions. [2021-10-21 20:18:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:21,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 212 transitions. [2021-10-21 20:18:21,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-21 20:18:21,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 212 transitions. [2021-10-21 20:18:21,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-21 20:18:21,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-21 20:18:21,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 212 transitions. [2021-10-21 20:18:21,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:18:21,377 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-21 20:18:21,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 212 transitions. [2021-10-21 20:18:21,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-21 20:18:21,386 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) [2021-10-21 20:18:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 212 transitions. [2021-10-21 20:18:21,387 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-21 20:18:21,387 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-21 20:18:21,387 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:18:21,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 212 transitions. [2021-10-21 20:18:21,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-21 20:18:21,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:21,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:21,393 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] [2021-10-21 20:18:21,394 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] [2021-10-21 20:18:21,394 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 [2021-10-21 20:18:21,395 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 [2021-10-21 20:18:21,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:21,396 INFO L82 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2021-10-21 20:18:21,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:21,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930182592] [2021-10-21 20:18:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:21,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:21,437 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:21,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:21,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:21,534 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 4 times [2021-10-21 20:18:21,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:21,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143521552] [2021-10-21 20:18:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:21,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:21,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:21,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143521552] [2021-10-21 20:18:21,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143521552] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:21,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:21,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:21,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767727940] [2021-10-21 20:18:21,584 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:18:21,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:21,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:21,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:21,585 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) [2021-10-21 20:18:21,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:21,653 INFO L93 Difference]: Finished difference Result 153 states and 272 transitions. [2021-10-21 20:18:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:21,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 272 transitions. [2021-10-21 20:18:21,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-21 20:18:21,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 153 states and 272 transitions. [2021-10-21 20:18:21,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2021-10-21 20:18:21,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2021-10-21 20:18:21,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 272 transitions. [2021-10-21 20:18:21,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:18:21,663 INFO L681 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-21 20:18:21,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 272 transitions. [2021-10-21 20:18:21,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-10-21 20:18:21,688 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) [2021-10-21 20:18:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 272 transitions. [2021-10-21 20:18:21,689 INFO L704 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-21 20:18:21,689 INFO L587 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-21 20:18:21,690 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:18:21,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 272 transitions. [2021-10-21 20:18:21,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-21 20:18:21,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:21,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:21,693 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] [2021-10-21 20:18:21,693 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] [2021-10-21 20:18:21,694 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 [2021-10-21 20:18:21,694 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 [2021-10-21 20:18:21,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:21,695 INFO L82 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2021-10-21 20:18:21,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:21,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938781783] [2021-10-21 20:18:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:21,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:21,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:21,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938781783] [2021-10-21 20:18:21,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938781783] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:21,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:21,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:18:21,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716405098] [2021-10-21 20:18:21,735 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:21,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:21,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1254823475, now seen corresponding path program 1 times [2021-10-21 20:18:21,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:21,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679735716] [2021-10-21 20:18:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:21,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:21,744 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:21,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:22,085 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:22,085 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:22,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:22,086 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:22,086 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:18:22,086 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:22,086 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:22,086 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:22,086 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2021-10-21 20:18:22,087 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:22,087 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:22,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:22,552 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:18:22,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:22,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:22,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:22,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:22,568 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:22,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:18:22,611 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:22,612 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:18:22,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:22,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:22,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:22,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:22,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:22,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:22,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:18:22,676 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:22,676 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: [] [2021-10-21 20:18:22,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:22,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:22,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:22,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:22,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:18:22,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:22,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:22,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:22,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:22,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:22,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:22,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:18:22,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:22,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:18:22,872 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:18:22,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:22,935 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:22,935 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:22,935 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:22,935 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:22,935 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:18:22,935 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:22,935 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:22,935 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:22,935 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2021-10-21 20:18:22,935 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:22,936 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:22,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:22,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:23,263 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:23,268 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:18:23,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:23,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:23,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:23,277 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 [2021-10-21 20:18:23,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:23,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:23,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:23,288 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:18:23,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:23,291 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:18:23,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:23,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:18:23,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:23,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-21 20:18:23,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:23,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:23,347 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:23,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:18:23,349 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 [2021-10-21 20:18:23,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:23,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:23,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:23,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:23,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:23,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:23,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:23,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:23,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 20:18:23,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:23,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:23,385 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:23,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:18:23,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:18:23,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:23,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:23,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:23,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:23,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:23,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:23,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:23,424 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:18:23,429 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:18:23,429 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:18:23,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:23,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:23,435 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:23,436 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:18:23,436 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:18:23,437 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:18:23,437 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2021-10-21 20:18:23,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:18:23,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:23,482 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:18:23,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:23,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:18:23,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:23,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:18:23,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:23,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:23,956 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 [2021-10-21 20:18:23,957 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) [2021-10-21 20:18:24,086 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. [2021-10-21 20:18:24,087 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 [2021-10-21 20:18:24,087 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) [2021-10-21 20:18:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2021-10-21 20:18:24,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-21 20:18:24,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:24,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-21 20:18:24,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:24,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-21 20:18:24,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:24,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 474 states and 835 transitions. [2021-10-21 20:18:24,113 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 302 [2021-10-21 20:18:24,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 474 states to 459 states and 805 transitions. [2021-10-21 20:18:24,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 350 [2021-10-21 20:18:24,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 352 [2021-10-21 20:18:24,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 459 states and 805 transitions. [2021-10-21 20:18:24,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:24,119 INFO L681 BuchiCegarLoop]: Abstraction has 459 states and 805 transitions. [2021-10-21 20:18:24,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states and 805 transitions. [2021-10-21 20:18:24,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 351. [2021-10-21 20:18:24,135 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) [2021-10-21 20:18:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 616 transitions. [2021-10-21 20:18:24,137 INFO L704 BuchiCegarLoop]: Abstraction has 351 states and 616 transitions. [2021-10-21 20:18:24,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:24,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:18:24,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:18:24,138 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) [2021-10-21 20:18:24,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:24,237 INFO L93 Difference]: Finished difference Result 640 states and 1104 transitions. [2021-10-21 20:18:24,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:18:24,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 640 states and 1104 transitions. [2021-10-21 20:18:24,245 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2021-10-21 20:18:24,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 640 states to 640 states and 1104 transitions. [2021-10-21 20:18:24,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 456 [2021-10-21 20:18:24,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 456 [2021-10-21 20:18:24,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 640 states and 1104 transitions. [2021-10-21 20:18:24,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:24,255 INFO L681 BuchiCegarLoop]: Abstraction has 640 states and 1104 transitions. [2021-10-21 20:18:24,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states and 1104 transitions. [2021-10-21 20:18:24,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 610. [2021-10-21 20:18:24,274 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) [2021-10-21 20:18:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 1062 transitions. [2021-10-21 20:18:24,278 INFO L704 BuchiCegarLoop]: Abstraction has 610 states and 1062 transitions. [2021-10-21 20:18:24,278 INFO L587 BuchiCegarLoop]: Abstraction has 610 states and 1062 transitions. [2021-10-21 20:18:24,278 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:18:24,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 610 states and 1062 transitions. [2021-10-21 20:18:24,283 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2021-10-21 20:18:24,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:24,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:24,286 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] [2021-10-21 20:18:24,286 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] [2021-10-21 20:18:24,286 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 [2021-10-21 20:18:24,286 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 [2021-10-21 20:18:24,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:24,287 INFO L82 PathProgramCache]: Analyzing trace with hash 198346713, now seen corresponding path program 1 times [2021-10-21 20:18:24,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:24,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674348575] [2021-10-21 20:18:24,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:24,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:24,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:24,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:24,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674348575] [2021-10-21 20:18:24,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674348575] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:24,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:24,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:24,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070605314] [2021-10-21 20:18:24,360 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:24,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:24,361 INFO L82 PathProgramCache]: Analyzing trace with hash 243706225, now seen corresponding path program 1 times [2021-10-21 20:18:24,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:24,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891180026] [2021-10-21 20:18:24,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:24,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:24,375 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:24,397 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:24,687 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:24,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:24,688 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:24,688 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:24,688 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:18:24,688 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:24,688 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:24,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:24,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2021-10-21 20:18:24,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:24,689 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:24,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:24,997 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:24,998 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:18:24,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:24,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:24,999 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,005 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,005 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:18:25,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:25,024 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: [] [2021-10-21 20:18:25,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,065 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:18:25,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,097 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:25,098 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:18:25,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,134 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:18:25,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,148 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:25,148 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: [] [2021-10-21 20:18:25,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,176 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:18:25,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,186 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,195 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:25,195 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: [] [2021-10-21 20:18:25,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,218 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:18:25,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,230 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:25,230 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: [] [2021-10-21 20:18:25,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,252 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:18:25,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,286 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:25,286 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: [] [2021-10-21 20:18:25,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,333 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:18:25,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,346 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:25,346 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: [] [2021-10-21 20:18:25,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-21 20:18:25,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,369 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:18:25,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,391 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:25,392 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:18:25,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,431 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:25,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:18:25,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,498 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,506 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:18:25,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:25,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:18:25,532 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:18:25,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,569 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:25,569 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:25,569 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:25,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:25,569 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:18:25,569 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,569 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:25,569 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:25,569 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2021-10-21 20:18:25,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:25,570 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:25,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:25,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:25,874 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:18:25,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,888 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:18:25,897 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 [2021-10-21 20:18:25,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:25,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:25,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:25,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:25,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:25,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:25,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:25,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:25,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:25,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,948 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:18:25,950 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 [2021-10-21 20:18:25,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:25,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:25,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:25,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:25,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:25,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:25,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:25,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:25,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-10-21 20:18:25,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:25,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:25,985 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:25,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:18:25,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:18:25,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:25,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:25,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:25,995 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:18:25,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:25,996 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:18:25,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:26,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:26,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:26,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:26,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:26,063 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:26,069 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 [2021-10-21 20:18:26,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:26,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:26,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:26,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:26,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:26,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:26,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:26,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:18:26,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:26,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-21 20:18:26,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:26,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:26,117 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:26,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:18:26,119 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 [2021-10-21 20:18:26,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:26,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:26,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:26,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:26,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:26,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:26,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:26,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:26,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:26,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:26,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:26,197 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:26,205 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 [2021-10-21 20:18:26,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:26,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:26,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:26,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:26,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:26,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:26,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:26,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:18:26,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:26,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:26,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:26,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:26,271 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:26,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:18:26,276 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 [2021-10-21 20:18:26,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:26,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:26,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:26,287 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:18:26,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:26,288 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:18:26,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:26,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:26,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:26,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:26,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:26,344 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:26,350 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 [2021-10-21 20:18:26,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:26,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:26,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:26,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:26,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:26,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:26,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:26,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:18:26,384 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:18:26,387 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:18:26,387 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:18:26,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:26,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:26,388 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:26,391 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:18:26,391 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:18:26,391 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:18:26,391 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -2*~e_c~0 + 3 Supporting invariants [] [2021-10-21 20:18:26,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:18:26,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:26,430 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:18:26,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:26,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:18:26,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:26,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:18:26,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:26,760 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 [2021-10-21 20:18:26,760 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) [2021-10-21 20:18:26,817 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. [2021-10-21 20:18:26,817 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 [2021-10-21 20:18:26,818 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) [2021-10-21 20:18:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 376 transitions. [2021-10-21 20:18:26,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-21 20:18:26,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:26,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-21 20:18:26,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:26,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-21 20:18:26,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:26,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 995 states and 1726 transitions. [2021-10-21 20:18:26,832 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 562 [2021-10-21 20:18:26,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 995 states to 991 states and 1718 transitions. [2021-10-21 20:18:26,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 640 [2021-10-21 20:18:26,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 643 [2021-10-21 20:18:26,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 991 states and 1718 transitions. [2021-10-21 20:18:26,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:26,846 INFO L681 BuchiCegarLoop]: Abstraction has 991 states and 1718 transitions. [2021-10-21 20:18:26,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states and 1718 transitions. [2021-10-21 20:18:26,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 531. [2021-10-21 20:18:26,862 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) [2021-10-21 20:18:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 924 transitions. [2021-10-21 20:18:26,865 INFO L704 BuchiCegarLoop]: Abstraction has 531 states and 924 transitions. [2021-10-21 20:18:26,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:26,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:26,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:26,866 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) [2021-10-21 20:18:26,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:26,897 INFO L93 Difference]: Finished difference Result 805 states and 1385 transitions. [2021-10-21 20:18:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:26,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 805 states and 1385 transitions. [2021-10-21 20:18:26,906 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 461 [2021-10-21 20:18:26,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 805 states to 636 states and 1094 transitions. [2021-10-21 20:18:26,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 541 [2021-10-21 20:18:26,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 546 [2021-10-21 20:18:26,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 636 states and 1094 transitions. [2021-10-21 20:18:26,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:26,913 INFO L681 BuchiCegarLoop]: Abstraction has 636 states and 1094 transitions. [2021-10-21 20:18:26,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states and 1094 transitions. [2021-10-21 20:18:26,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 449. [2021-10-21 20:18:26,926 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) [2021-10-21 20:18:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 777 transitions. [2021-10-21 20:18:26,929 INFO L704 BuchiCegarLoop]: Abstraction has 449 states and 777 transitions. [2021-10-21 20:18:26,929 INFO L587 BuchiCegarLoop]: Abstraction has 449 states and 777 transitions. [2021-10-21 20:18:26,929 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:18:26,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states and 777 transitions. [2021-10-21 20:18:26,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 281 [2021-10-21 20:18:26,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:26,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:26,934 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] [2021-10-21 20:18:26,934 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] [2021-10-21 20:18:26,935 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 [2021-10-21 20:18:26,935 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 [2021-10-21 20:18:26,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:26,935 INFO L82 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2021-10-21 20:18:26,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:26,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198521339] [2021-10-21 20:18:26,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:26,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:27,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:27,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:27,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198521339] [2021-10-21 20:18:27,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198521339] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:27,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:27,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:18:27,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705284445] [2021-10-21 20:18:27,007 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:27,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:27,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1726992066, now seen corresponding path program 1 times [2021-10-21 20:18:27,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:27,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890825142] [2021-10-21 20:18:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:27,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:27,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:27,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:27,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890825142] [2021-10-21 20:18:27,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890825142] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:27,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:27,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:18:27,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457582634] [2021-10-21 20:18:27,026 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:18:27,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:27,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:18:27,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:18:27,027 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) [2021-10-21 20:18:27,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:27,163 INFO L93 Difference]: Finished difference Result 561 states and 961 transitions. [2021-10-21 20:18:27,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:18:27,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 561 states and 961 transitions. [2021-10-21 20:18:27,170 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 338 [2021-10-21 20:18:27,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 561 states to 561 states and 961 transitions. [2021-10-21 20:18:27,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 451 [2021-10-21 20:18:27,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 451 [2021-10-21 20:18:27,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 561 states and 961 transitions. [2021-10-21 20:18:27,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:27,178 INFO L681 BuchiCegarLoop]: Abstraction has 561 states and 961 transitions. [2021-10-21 20:18:27,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states and 961 transitions. [2021-10-21 20:18:27,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 552. [2021-10-21 20:18:27,191 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) [2021-10-21 20:18:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 951 transitions. [2021-10-21 20:18:27,195 INFO L704 BuchiCegarLoop]: Abstraction has 552 states and 951 transitions. [2021-10-21 20:18:27,195 INFO L587 BuchiCegarLoop]: Abstraction has 552 states and 951 transitions. [2021-10-21 20:18:27,195 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:18:27,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 552 states and 951 transitions. [2021-10-21 20:18:27,200 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 336 [2021-10-21 20:18:27,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:27,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:27,202 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] [2021-10-21 20:18:27,202 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] [2021-10-21 20:18:27,204 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 [2021-10-21 20:18:27,204 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 [2021-10-21 20:18:27,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:27,205 INFO L82 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2021-10-21 20:18:27,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:27,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879660444] [2021-10-21 20:18:27,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:27,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:27,226 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:27,257 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:27,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:27,260 INFO L82 PathProgramCache]: Analyzing trace with hash 981474370, now seen corresponding path program 1 times [2021-10-21 20:18:27,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:27,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013612895] [2021-10-21 20:18:27,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:27,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:27,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:27,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013612895] [2021-10-21 20:18:27,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013612895] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:27,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:27,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:18:27,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540120713] [2021-10-21 20:18:27,288 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:18:27,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:27,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:27,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:27,290 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) [2021-10-21 20:18:27,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:27,323 INFO L93 Difference]: Finished difference Result 807 states and 1374 transitions. [2021-10-21 20:18:27,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:27,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 807 states and 1374 transitions. [2021-10-21 20:18:27,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 530 [2021-10-21 20:18:27,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 807 states to 807 states and 1374 transitions. [2021-10-21 20:18:27,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 637 [2021-10-21 20:18:27,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 637 [2021-10-21 20:18:27,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 807 states and 1374 transitions. [2021-10-21 20:18:27,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:27,342 INFO L681 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-21 20:18:27,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states and 1374 transitions. [2021-10-21 20:18:27,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 807. [2021-10-21 20:18:27,361 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) [2021-10-21 20:18:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1374 transitions. [2021-10-21 20:18:27,366 INFO L704 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-21 20:18:27,366 INFO L587 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-21 20:18:27,366 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 20:18:27,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1374 transitions. [2021-10-21 20:18:27,371 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 530 [2021-10-21 20:18:27,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:27,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:27,375 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] [2021-10-21 20:18:27,375 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] [2021-10-21 20:18:27,375 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 [2021-10-21 20:18:27,375 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 [2021-10-21 20:18:27,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:27,376 INFO L82 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 3 times [2021-10-21 20:18:27,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:27,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132672758] [2021-10-21 20:18:27,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:27,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:27,394 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:27,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:27,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:27,419 INFO L82 PathProgramCache]: Analyzing trace with hash 432214649, now seen corresponding path program 1 times [2021-10-21 20:18:27,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:27,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990858556] [2021-10-21 20:18:27,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:27,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:27,428 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:27,442 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:27,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:27,443 INFO L82 PathProgramCache]: Analyzing trace with hash -508129585, now seen corresponding path program 1 times [2021-10-21 20:18:27,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:27,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132716708] [2021-10-21 20:18:27,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:27,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:27,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:27,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132716708] [2021-10-21 20:18:27,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132716708] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:27,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:27,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:27,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901424976] [2021-10-21 20:18:27,660 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:27,660 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:27,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:27,660 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:27,660 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:18:27,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:27,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:27,661 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:27,661 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2021-10-21 20:18:27,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:27,661 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:27,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:27,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:27,977 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:18:27,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:27,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:27,980 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:27,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:18:27,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:27,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:28,004 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:28,004 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: [] [2021-10-21 20:18:28,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-21 20:18:28,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,026 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:18:28,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:28,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:28,040 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:28,041 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:18:28,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:28,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,073 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:28,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:28,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:18:28,111 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:28,111 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:18:28,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:28,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,134 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:18:28,136 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:28,136 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:28,144 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:28,144 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: [] [2021-10-21 20:18:28,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:28,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,168 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:18:28,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:28,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:28,179 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:28,179 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: [] [2021-10-21 20:18:28,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:28,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,202 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:18:28,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:28,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:28,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-21 20:18:28,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,236 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:18:28,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:18:28,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:28,248 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:18:28,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:28,271 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:28,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:28,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:28,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:28,272 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:18:28,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:28,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:28,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2021-10-21 20:18:28,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:28,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:28,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:28,565 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:28,566 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:18:28,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,570 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:18:28,572 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 [2021-10-21 20:18:28,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:28,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:28,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:28,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:28,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:28,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:28,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:28,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:28,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:28,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,607 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:18:28,609 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 [2021-10-21 20:18:28,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:28,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:28,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:28,617 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:18:28,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:28,618 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:18:28,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:28,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:28,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:28,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,656 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:18:28,658 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 [2021-10-21 20:18:28,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:28,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:28,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:28,666 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:18:28,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:28,667 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:18:28,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:28,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:28,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-21 20:18:28,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,722 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:18:28,724 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 [2021-10-21 20:18:28,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:28,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:28,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:28,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:28,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:28,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:28,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:28,735 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:18:28,737 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:18:28,737 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:18:28,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:28,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:28,738 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:28,743 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:18:28,743 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:18:28,743 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:18:28,744 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2021-10-21 20:18:28,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:18:28,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:28,771 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:18:28,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:28,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:18:28,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:28,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:18:28,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:29,107 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 [2021-10-21 20:18:29,107 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) [2021-10-21 20:18:29,163 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. [2021-10-21 20:18:29,163 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 [2021-10-21 20:18:29,164 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) [2021-10-21 20:18:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2021-10-21 20:18:29,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-21 20:18:29,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:29,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-21 20:18:29,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:29,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-21 20:18:29,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:29,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2879 states and 4876 transitions. [2021-10-21 20:18:29,194 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1560 [2021-10-21 20:18:29,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2879 states to 2879 states and 4876 transitions. [2021-10-21 20:18:29,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1670 [2021-10-21 20:18:29,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1687 [2021-10-21 20:18:29,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2879 states and 4876 transitions. [2021-10-21 20:18:29,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:29,228 INFO L681 BuchiCegarLoop]: Abstraction has 2879 states and 4876 transitions. [2021-10-21 20:18:29,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states and 4876 transitions. [2021-10-21 20:18:29,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2157. [2021-10-21 20:18:29,286 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) [2021-10-21 20:18:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3649 transitions. [2021-10-21 20:18:29,296 INFO L704 BuchiCegarLoop]: Abstraction has 2157 states and 3649 transitions. [2021-10-21 20:18:29,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:29,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:29,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:29,297 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) [2021-10-21 20:18:29,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:29,336 INFO L93 Difference]: Finished difference Result 2157 states and 3613 transitions. [2021-10-21 20:18:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:29,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2157 states and 3613 transitions. [2021-10-21 20:18:29,355 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1030 [2021-10-21 20:18:29,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2157 states to 2157 states and 3613 transitions. [2021-10-21 20:18:29,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1140 [2021-10-21 20:18:29,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1140 [2021-10-21 20:18:29,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2157 states and 3613 transitions. [2021-10-21 20:18:29,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:29,377 INFO L681 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-21 20:18:29,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states and 3613 transitions. [2021-10-21 20:18:29,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 2157. [2021-10-21 20:18:29,453 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) [2021-10-21 20:18:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3613 transitions. [2021-10-21 20:18:29,477 INFO L704 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-21 20:18:29,477 INFO L587 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-21 20:18:29,477 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 20:18:29,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2157 states and 3613 transitions. [2021-10-21 20:18:29,490 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1030 [2021-10-21 20:18:29,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:29,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:29,491 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] [2021-10-21 20:18:29,491 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] [2021-10-21 20:18:29,491 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 [2021-10-21 20:18:29,492 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 [2021-10-21 20:18:29,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:29,493 INFO L82 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2021-10-21 20:18:29,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:29,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750986457] [2021-10-21 20:18:29,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:29,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:29,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:29,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750986457] [2021-10-21 20:18:29,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750986457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:29,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:29,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:29,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017778708] [2021-10-21 20:18:29,519 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:29,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:29,520 INFO L82 PathProgramCache]: Analyzing trace with hash 254830061, now seen corresponding path program 1 times [2021-10-21 20:18:29,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:29,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528478399] [2021-10-21 20:18:29,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:29,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:29,525 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:29,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:29,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:29,833 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:29,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:29,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:29,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:29,833 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:18:29,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:29,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:29,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:29,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration11_Loop [2021-10-21 20:18:29,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:29,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:29,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:29,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,110 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:30,110 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:18:30,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,111 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 20:18:30,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:30,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:30,129 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:30,129 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:18:30,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,152 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:18:30,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:30,153 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:30,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:30,161 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: [] [2021-10-21 20:18:30,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-21 20:18:30,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,190 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 20:18:30,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:30,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:30,205 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:30,205 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:18:30,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,239 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 20:18:30,240 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:30,241 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:30,255 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:30,255 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: [] [2021-10-21 20:18:30,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-21 20:18:30,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,276 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 20:18:30,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:30,279 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:30,292 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:30,292 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:18:30,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,314 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 20:18:30,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:30,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:30,324 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:18:30,324 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: [] [2021-10-21 20:18:30,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-21 20:18:30,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,346 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 20:18:30,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:30,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:30,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,377 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 20:18:30,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:18:30,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:30,389 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:18:30,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 20:18:30,411 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:30,411 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:30,411 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:30,411 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:30,411 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:18:30,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:30,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:30,411 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration11_Loop [2021-10-21 20:18:30,411 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:30,411 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:30,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:30,706 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:30,706 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:18:30,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,713 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 20:18:30,715 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 [2021-10-21 20:18:30,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:30,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:30,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:30,722 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:18:30,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:30,723 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:18:30,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:30,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:30,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,751 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 20:18:30,752 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 [2021-10-21 20:18:30,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:30,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:30,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:30,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:30,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:30,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:30,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:30,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:30,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-21 20:18:30,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,787 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 20:18:30,788 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 [2021-10-21 20:18:30,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:30,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:30,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:30,796 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:18:30,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:30,797 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:18:30,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:30,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:30,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,861 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,865 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 [2021-10-21 20:18:30,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:30,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:30,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:30,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:30,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:30,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:30,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:30,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 20:18:30,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:30,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,910 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 20:18:30,911 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 [2021-10-21 20:18:30,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:30,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:30,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:30,919 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:18:30,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:30,920 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:18:30,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:30,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:18:30,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,960 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 20:18:30,961 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 [2021-10-21 20:18:30,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:30,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:30,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:30,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:30,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:30,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:30,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:30,971 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:18:30,973 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:18:30,974 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:18:30,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:30,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:30,974 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:30,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 20:18:30,976 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:18:30,976 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:18:30,976 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:18:30,976 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2021-10-21 20:18:30,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:30,997 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:18:31,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:31,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:18:31,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:31,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:31,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:18:31,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:31,552 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 [2021-10-21 20:18:31,552 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) [2021-10-21 20:18:31,658 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. [2021-10-21 20:18:31,658 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 [2021-10-21 20:18:31,659 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) [2021-10-21 20:18:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 370 transitions. [2021-10-21 20:18:31,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 24 letters. Loop has 38 letters. [2021-10-21 20:18:31,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:31,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 62 letters. Loop has 38 letters. [2021-10-21 20:18:31,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:31,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 24 letters. Loop has 76 letters. [2021-10-21 20:18:31,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:31,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4282 states and 7173 transitions. [2021-10-21 20:18:31,696 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1969 [2021-10-21 20:18:31,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4282 states to 4227 states and 7095 transitions. [2021-10-21 20:18:31,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2202 [2021-10-21 20:18:31,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2210 [2021-10-21 20:18:31,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4227 states and 7095 transitions. [2021-10-21 20:18:31,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:31,741 INFO L681 BuchiCegarLoop]: Abstraction has 4227 states and 7095 transitions. [2021-10-21 20:18:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states and 7095 transitions. [2021-10-21 20:18:31,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 3465. [2021-10-21 20:18:31,825 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) [2021-10-21 20:18:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 5825 transitions. [2021-10-21 20:18:31,840 INFO L704 BuchiCegarLoop]: Abstraction has 3465 states and 5825 transitions. [2021-10-21 20:18:31,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:31,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:18:31,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:18:31,842 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) [2021-10-21 20:18:31,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:31,955 INFO L93 Difference]: Finished difference Result 5316 states and 8926 transitions. [2021-10-21 20:18:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:18:31,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5316 states and 8926 transitions. [2021-10-21 20:18:32,030 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 2292 [2021-10-21 20:18:32,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5316 states to 5316 states and 8926 transitions. [2021-10-21 20:18:32,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2664 [2021-10-21 20:18:32,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2664 [2021-10-21 20:18:32,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5316 states and 8926 transitions. [2021-10-21 20:18:32,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:32,073 INFO L681 BuchiCegarLoop]: Abstraction has 5316 states and 8926 transitions. [2021-10-21 20:18:32,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5316 states and 8926 transitions. [2021-10-21 20:18:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5316 to 4687. [2021-10-21 20:18:32,174 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) [2021-10-21 20:18:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 7906 transitions. [2021-10-21 20:18:32,187 INFO L704 BuchiCegarLoop]: Abstraction has 4687 states and 7906 transitions. [2021-10-21 20:18:32,187 INFO L587 BuchiCegarLoop]: Abstraction has 4687 states and 7906 transitions. [2021-10-21 20:18:32,187 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 20:18:32,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4687 states and 7906 transitions. [2021-10-21 20:18:32,205 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1893 [2021-10-21 20:18:32,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:32,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:32,206 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] [2021-10-21 20:18:32,206 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] [2021-10-21 20:18:32,207 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 [2021-10-21 20:18:32,207 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 [2021-10-21 20:18:32,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:32,208 INFO L82 PathProgramCache]: Analyzing trace with hash -79370950, now seen corresponding path program 1 times [2021-10-21 20:18:32,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:32,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301806842] [2021-10-21 20:18:32,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:32,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:32,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:32,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301806842] [2021-10-21 20:18:32,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301806842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:32,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:32,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:18:32,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130683637] [2021-10-21 20:18:32,237 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:32,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:32,237 INFO L82 PathProgramCache]: Analyzing trace with hash -368922987, now seen corresponding path program 1 times [2021-10-21 20:18:32,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:32,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025154699] [2021-10-21 20:18:32,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:32,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:32,244 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:32,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:32,513 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:32,513 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:32,513 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:32,513 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:32,513 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:18:32,514 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:32,514 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:32,514 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:32,514 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration12_Loop [2021-10-21 20:18:32,514 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:32,514 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:32,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,833 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:32,833 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:18:32,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:32,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:32,836 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:32,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:18:32,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:32,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 20:18:32,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:32,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:32,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:32,868 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:32,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 20:18:32,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:18:32,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:18:32,879 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:18:32,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:32,898 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:18:32,898 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:18:32,898 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:18:32,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:18:32,899 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:18:32,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:32,899 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:18:32,899 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:18:32,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration12_Loop [2021-10-21 20:18:32,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:18:32,899 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:18:32,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:32,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:18:33,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:18:33,196 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:18:33,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:33,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:33,199 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:33,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 20:18:33,200 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 [2021-10-21 20:18:33,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:18:33,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:18:33,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:18:33,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:18:33,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:18:33,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:18:33,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:18:33,211 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:18:33,212 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:18:33,212 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:18:33,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:18:33,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:18:33,213 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:18:33,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 20:18:33,214 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:18:33,215 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:18:33,215 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:18:33,215 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2021-10-21 20:18:33,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:33,236 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:18:33,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:33,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:18:33,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:33,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:18:33,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:18:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:33,752 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 [2021-10-21 20:18:33,753 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) [2021-10-21 20:18:33,927 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. [2021-10-21 20:18:33,944 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 [2021-10-21 20:18:33,944 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) [2021-10-21 20:18:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 214 transitions. [2021-10-21 20:18:33,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 25 letters. Loop has 38 letters. [2021-10-21 20:18:33,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:33,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 63 letters. Loop has 38 letters. [2021-10-21 20:18:33,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:33,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 25 letters. Loop has 76 letters. [2021-10-21 20:18:33,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:18:33,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12056 states and 20297 transitions. [2021-10-21 20:18:34,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 20:18:34,024 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 2885 [2021-10-21 20:18:34,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12056 states to 10119 states and 17059 transitions. [2021-10-21 20:18:34,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3672 [2021-10-21 20:18:34,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3688 [2021-10-21 20:18:34,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10119 states and 17059 transitions. [2021-10-21 20:18:34,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:34,085 INFO L681 BuchiCegarLoop]: Abstraction has 10119 states and 17059 transitions. [2021-10-21 20:18:34,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10119 states and 17059 transitions. [2021-10-21 20:18:34,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10119 to 8392. [2021-10-21 20:18:34,259 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) [2021-10-21 20:18:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8392 states to 8392 states and 14181 transitions. [2021-10-21 20:18:34,283 INFO L704 BuchiCegarLoop]: Abstraction has 8392 states and 14181 transitions. [2021-10-21 20:18:34,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:34,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:18:34,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:18:34,285 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) [2021-10-21 20:18:34,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:34,441 INFO L93 Difference]: Finished difference Result 11272 states and 18726 transitions. [2021-10-21 20:18:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:18:34,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11272 states and 18726 transitions. [2021-10-21 20:18:34,496 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 3138 [2021-10-21 20:18:34,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11272 states to 11272 states and 18726 transitions. [2021-10-21 20:18:34,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3925 [2021-10-21 20:18:34,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3925 [2021-10-21 20:18:34,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11272 states and 18726 transitions. [2021-10-21 20:18:34,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:34,548 INFO L681 BuchiCegarLoop]: Abstraction has 11272 states and 18726 transitions. [2021-10-21 20:18:34,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11272 states and 18726 transitions. [2021-10-21 20:18:34,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11272 to 10394. [2021-10-21 20:18:34,776 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) [2021-10-21 20:18:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10394 states to 10394 states and 17338 transitions. [2021-10-21 20:18:34,806 INFO L704 BuchiCegarLoop]: Abstraction has 10394 states and 17338 transitions. [2021-10-21 20:18:34,806 INFO L587 BuchiCegarLoop]: Abstraction has 10394 states and 17338 transitions. [2021-10-21 20:18:34,806 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 20:18:34,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10394 states and 17338 transitions. [2021-10-21 20:18:34,840 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 2993 [2021-10-21 20:18:34,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:34,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:34,841 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] [2021-10-21 20:18:34,841 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:18:34,842 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 [2021-10-21 20:18:34,842 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 [2021-10-21 20:18:34,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:34,842 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2021-10-21 20:18:34,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:34,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160886296] [2021-10-21 20:18:34,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:34,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:34,852 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:34,863 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:34,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:34,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1289372155, now seen corresponding path program 1 times [2021-10-21 20:18:34,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:34,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203908160] [2021-10-21 20:18:34,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:34,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:34,869 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:34,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:34,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:34,873 INFO L82 PathProgramCache]: Analyzing trace with hash 370417651, now seen corresponding path program 1 times [2021-10-21 20:18:34,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:34,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523678408] [2021-10-21 20:18:34,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:34,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:35,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:35,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:35,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523678408] [2021-10-21 20:18:35,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523678408] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:35,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:35,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:35,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079079277] [2021-10-21 20:18:35,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:35,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:35,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:35,093 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) [2021-10-21 20:18:35,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:35,282 INFO L93 Difference]: Finished difference Result 16129 states and 26683 transitions. [2021-10-21 20:18:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:35,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16129 states and 26683 transitions. [2021-10-21 20:18:35,386 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4724 [2021-10-21 20:18:35,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16129 states to 16129 states and 26683 transitions. [2021-10-21 20:18:35,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5804 [2021-10-21 20:18:35,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5804 [2021-10-21 20:18:35,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16129 states and 26683 transitions. [2021-10-21 20:18:35,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:35,572 INFO L681 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-21 20:18:35,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16129 states and 26683 transitions. [2021-10-21 20:18:35,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16129 to 16129. [2021-10-21 20:18:35,870 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) [2021-10-21 20:18:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16129 states to 16129 states and 26683 transitions. [2021-10-21 20:18:35,991 INFO L704 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-21 20:18:35,991 INFO L587 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-21 20:18:35,992 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-21 20:18:35,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16129 states and 26683 transitions. [2021-10-21 20:18:36,042 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4724 [2021-10-21 20:18:36,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:36,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:36,044 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] [2021-10-21 20:18:36,044 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:18:36,044 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 [2021-10-21 20:18:36,044 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 [2021-10-21 20:18:36,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:36,045 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2021-10-21 20:18:36,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:36,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816722873] [2021-10-21 20:18:36,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:36,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:36,055 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:36,067 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:36,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:36,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1265058912, now seen corresponding path program 1 times [2021-10-21 20:18:36,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:36,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222854084] [2021-10-21 20:18:36,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:36,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:36,073 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:36,076 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:36,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:36,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1452726936, now seen corresponding path program 1 times [2021-10-21 20:18:36,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:36,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331064396] [2021-10-21 20:18:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:36,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:36,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:36,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331064396] [2021-10-21 20:18:36,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331064396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:36,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:36,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:36,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676605446] [2021-10-21 20:18:36,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:36,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:36,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:36,160 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) [2021-10-21 20:18:36,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:36,348 INFO L93 Difference]: Finished difference Result 24580 states and 40120 transitions. [2021-10-21 20:18:36,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:36,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24580 states and 40120 transitions. [2021-10-21 20:18:36,471 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-21 20:18:36,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24580 states to 24580 states and 40120 transitions. [2021-10-21 20:18:36,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8934 [2021-10-21 20:18:36,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8934 [2021-10-21 20:18:36,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24580 states and 40120 transitions. [2021-10-21 20:18:36,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:36,603 INFO L681 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-21 20:18:36,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24580 states and 40120 transitions. [2021-10-21 20:18:37,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24580 to 24580. [2021-10-21 20:18:37,080 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) [2021-10-21 20:18:37,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24580 states to 24580 states and 40120 transitions. [2021-10-21 20:18:37,279 INFO L704 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-21 20:18:37,279 INFO L587 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-21 20:18:37,279 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-21 20:18:37,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24580 states and 40120 transitions. [2021-10-21 20:18:37,352 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-21 20:18:37,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:37,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:37,352 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] [2021-10-21 20:18:37,352 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:18:37,353 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 [2021-10-21 20:18:37,353 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 [2021-10-21 20:18:37,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:37,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2021-10-21 20:18:37,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:37,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857274309] [2021-10-21 20:18:37,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:37,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:37,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:37,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857274309] [2021-10-21 20:18:37,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857274309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:37,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:37,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:37,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011192280] [2021-10-21 20:18:37,387 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:18:37,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:37,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1265058912, now seen corresponding path program 2 times [2021-10-21 20:18:37,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:37,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066097490] [2021-10-21 20:18:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:37,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:37,393 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:37,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:37,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:37,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:37,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:37,458 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) [2021-10-21 20:18:37,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:37,679 INFO L93 Difference]: Finished difference Result 24508 states and 39999 transitions. [2021-10-21 20:18:37,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:37,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24508 states and 39999 transitions. [2021-10-21 20:18:37,783 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-21 20:18:37,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24508 states to 24508 states and 39999 transitions. [2021-10-21 20:18:37,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8866 [2021-10-21 20:18:37,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8866 [2021-10-21 20:18:37,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24508 states and 39999 transitions. [2021-10-21 20:18:37,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:37,883 INFO L681 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-21 20:18:37,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24508 states and 39999 transitions. [2021-10-21 20:18:38,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24508 to 24508. [2021-10-21 20:18:38,358 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) [2021-10-21 20:18:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24508 states to 24508 states and 39999 transitions. [2021-10-21 20:18:38,432 INFO L704 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-21 20:18:38,432 INFO L587 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-21 20:18:38,432 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-21 20:18:38,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24508 states and 39999 transitions. [2021-10-21 20:18:38,666 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-21 20:18:38,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:38,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:38,667 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] [2021-10-21 20:18:38,667 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:18:38,667 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 [2021-10-21 20:18:38,667 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 [2021-10-21 20:18:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:38,668 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2021-10-21 20:18:38,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:38,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108372959] [2021-10-21 20:18:38,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:38,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:38,679 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:38,692 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:38,693 INFO L82 PathProgramCache]: Analyzing trace with hash 560500646, now seen corresponding path program 1 times [2021-10-21 20:18:38,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:38,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69763648] [2021-10-21 20:18:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:38,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:38,699 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:38,703 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:38,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:38,704 INFO L82 PathProgramCache]: Analyzing trace with hash -2086482018, now seen corresponding path program 1 times [2021-10-21 20:18:38,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:38,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393083842] [2021-10-21 20:18:38,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:38,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:18:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:18:38,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:18:38,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393083842] [2021-10-21 20:18:38,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393083842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:18:38,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:18:38,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:18:38,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162107090] [2021-10-21 20:18:38,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:18:38,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:18:38,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:18:38,798 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) [2021-10-21 20:18:39,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:18:39,066 INFO L93 Difference]: Finished difference Result 40806 states and 65442 transitions. [2021-10-21 20:18:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:18:39,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40806 states and 65442 transitions. [2021-10-21 20:18:39,213 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 12598 [2021-10-21 20:18:39,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40806 states to 40806 states and 65442 transitions. [2021-10-21 20:18:39,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14826 [2021-10-21 20:18:39,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14826 [2021-10-21 20:18:39,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40806 states and 65442 transitions. [2021-10-21 20:18:39,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:18:39,458 INFO L681 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-21 20:18:39,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40806 states and 65442 transitions. [2021-10-21 20:18:40,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40806 to 40806. [2021-10-21 20:18:40,057 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) [2021-10-21 20:18:40,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40806 states to 40806 states and 65442 transitions. [2021-10-21 20:18:40,170 INFO L704 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-21 20:18:40,170 INFO L587 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-21 20:18:40,170 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-21 20:18:40,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40806 states and 65442 transitions. [2021-10-21 20:18:40,306 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 12598 [2021-10-21 20:18:40,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:18:40,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:18:40,308 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] [2021-10-21 20:18:40,308 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:18:40,308 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 [2021-10-21 20:18:40,308 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 [2021-10-21 20:18:40,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:40,309 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2021-10-21 20:18:40,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:40,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864495706] [2021-10-21 20:18:40,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:40,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:40,325 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:40,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:40,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:40,344 INFO L82 PathProgramCache]: Analyzing trace with hash 195616437, now seen corresponding path program 1 times [2021-10-21 20:18:40,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:40,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320304699] [2021-10-21 20:18:40,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:40,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:40,351 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:40,355 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:40,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:18:40,357 INFO L82 PathProgramCache]: Analyzing trace with hash -256467523, now seen corresponding path program 1 times [2021-10-21 20:18:40,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:18:40,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047164736] [2021-10-21 20:18:40,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:18:40,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:18:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:40,371 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:18:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:18:40,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:18:41,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:18:41 BoogieIcfgContainer [2021-10-21 20:18:41,898 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:18:41,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:18:41,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:18:41,900 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:18:41,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:18:20" (3/4) ... [2021-10-21 20:18:41,903 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 20:18:41,965 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:18:41,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:18:41,967 INFO L168 Benchmark]: Toolchain (without parser) took 22961.21 ms. Allocated memory was 113.2 MB in the beginning and 4.9 GB in the end (delta: 4.8 GB). Free memory was 74.9 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 550.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:41,968 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 113.2 MB. Free memory was 92.1 MB in the beginning and 92.0 MB in the end (delta: 51.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:18:41,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.60 ms. Allocated memory is still 113.2 MB. Free memory was 74.6 MB in the beginning and 85.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:41,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 113.2 MB. Free memory was 85.7 MB in the beginning and 83.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:41,970 INFO L168 Benchmark]: Boogie Preprocessor took 42.42 ms. Allocated memory is still 113.2 MB. Free memory was 83.4 MB in the beginning and 81.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:41,970 INFO L168 Benchmark]: RCFGBuilder took 737.68 ms. Allocated memory is still 113.2 MB. Free memory was 81.3 MB in the beginning and 61.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:41,970 INFO L168 Benchmark]: BuchiAutomizer took 21664.14 ms. Allocated memory was 113.2 MB in the beginning and 4.9 GB in the end (delta: 4.8 GB). Free memory was 61.2 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 700.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:41,971 INFO L168 Benchmark]: Witness Printer took 66.67 ms. Allocated memory is still 4.9 GB. Free memory was 4.3 GB in the beginning and 4.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:41,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 113.2 MB. Free memory was 92.1 MB in the beginning and 92.0 MB in the end (delta: 51.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.60 ms. Allocated memory is still 113.2 MB. Free memory was 74.6 MB in the beginning and 85.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 113.2 MB. Free memory was 85.7 MB in the beginning and 83.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.42 ms. Allocated memory is still 113.2 MB. Free memory was 83.4 MB in the beginning and 81.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 737.68 ms. Allocated memory is still 113.2 MB. Free memory was 81.3 MB in the beginning and 61.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 21664.14 ms. Allocated memory was 113.2 MB in the beginning and 4.9 GB in the end (delta: 4.8 GB). Free memory was 61.2 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 700.2 MB. Max. memory is 16.1 GB. * Witness Printer took 66.67 ms. Allocated memory is still 4.9 GB. Free memory was 4.3 GB in the beginning and 4.3 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 21.5s and 17 iterations. TraceHistogramMax:2. Analysis of lassos took 11.0s. Construction of modules took 0.5s. Büchi inclusion checks took 3.9s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 16. Automata minimization 3415.8ms AutomataMinimizationTime, 21 MinimizatonAttempts, 5512 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 1.7s 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, 536.4ms 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: 40ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 21 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - 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@66410b76=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18ad7112=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@58e18d98=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77588a54=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f303458=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! [2021-10-21 20:18:42,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66019dcc-fb2a-4cb3-a82f-9c26d512d4b9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...