./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:50:20,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:50:20,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:50:20,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:50:20,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:50:20,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:50:20,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:50:20,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:50:20,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:50:20,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:50:20,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:50:20,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:50:20,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:50:20,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:50:20,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:50:20,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:50:20,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:50:20,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:50:20,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:50:20,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:50:20,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:50:20,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:50:20,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:50:20,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:50:20,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:50:20,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:50:20,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:50:20,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:50:20,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:50:20,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:50:20,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:50:20,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:50:20,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:50:20,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:50:20,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:50:20,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:50:20,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:50:20,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:50:20,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:50:20,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:50:20,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:50:20,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:50:20,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:50:20,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:50:20,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:50:20,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:50:20,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:50:20,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:50:20,597 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:50:20,597 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:50:20,597 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:50:20,597 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:50:20,598 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:50:20,598 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:50:20,599 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:50:20,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:50:20,599 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:50:20,599 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:50:20,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:50:20,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:50:20,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:50:20,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:50:20,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:50:20,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:50:20,601 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:50:20,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:50:20,601 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:50:20,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:50:20,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:50:20,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:50:20,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:50:20,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:50:20,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:50:20,604 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:50:20,604 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_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b [2022-10-17 10:50:20,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:50:20,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:50:20,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:50:20,892 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:50:20,892 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:50:20,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/systemc/toy.cil.c [2022-10-17 10:50:20,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/data/27d74021f/26b107cc00fd4ee7ad1598a0dd1c102b/FLAGc72e4a698 [2022-10-17 10:50:21,388 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:50:21,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/sv-benchmarks/c/systemc/toy.cil.c [2022-10-17 10:50:21,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/data/27d74021f/26b107cc00fd4ee7ad1598a0dd1c102b/FLAGc72e4a698 [2022-10-17 10:50:21,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/data/27d74021f/26b107cc00fd4ee7ad1598a0dd1c102b [2022-10-17 10:50:21,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:50:21,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:50:21,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:50:21,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:50:21,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:50:21,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:50:21" (1/1) ... [2022-10-17 10:50:21,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3147f319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:21, skipping insertion in model container [2022-10-17 10:50:21,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:50:21" (1/1) ... [2022-10-17 10:50:21,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:50:21,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:50:22,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/sv-benchmarks/c/systemc/toy.cil.c[697,710] [2022-10-17 10:50:22,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:50:22,109 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:50:22,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/sv-benchmarks/c/systemc/toy.cil.c[697,710] [2022-10-17 10:50:22,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:50:22,187 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:50:22,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22 WrapperNode [2022-10-17 10:50:22,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:50:22,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:50:22,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:50:22,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:50:22,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,253 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 357 [2022-10-17 10:50:22,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:50:22,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:50:22,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:50:22,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:50:22,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:50:22,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:50:22,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:50:22,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:50:22,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (1/1) ... [2022-10-17 10:50:22,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:22,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:22,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:22,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:50:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:50:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:50:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:50:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:50:22,474 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:50:22,476 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:50:23,110 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:50:23,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:50:23,120 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 10:50:23,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:23 BoogieIcfgContainer [2022-10-17 10:50:23,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:50:23,123 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:50:23,123 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:50:23,128 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:50:23,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:50:23,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:50:21" (1/3) ... [2022-10-17 10:50:23,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423ff1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:50:23, skipping insertion in model container [2022-10-17 10:50:23,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:50:23,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:22" (2/3) ... [2022-10-17 10:50:23,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423ff1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:50:23, skipping insertion in model container [2022-10-17 10:50:23,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:50:23,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:23" (3/3) ... [2022-10-17 10:50:23,132 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy.cil.c [2022-10-17 10:50:23,189 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:50:23,189 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:50:23,189 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:50:23,190 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:50:23,190 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:50:23,190 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:50:23,190 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:50:23,190 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:50:23,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 131 states, 130 states have (on average 1.8307692307692307) internal successors, (238), 130 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:23,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 96 [2022-10-17 10:50:23,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:23,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:23,255 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:23,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:23,256 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:50:23,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 131 states, 130 states have (on average 1.8307692307692307) internal successors, (238), 130 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:23,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 96 [2022-10-17 10:50:23,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:23,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:23,267 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:23,268 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:23,290 INFO L748 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 103#L408true assume !(1 == ~c_req_up~0); 88#L408-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 126#L419-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 124#L424-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 62#L429-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 119#L434-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 41#L439-1true assume !(0 == ~e_f~0); 5#L444-1true assume !(0 == ~e_g~0); 99#L449-1true assume !(0 == ~e_e~0); 55#L454-1true assume !(0 == ~e_c~0); 108#L459-1true assume !(0 == ~e_wl~0); 23#L464-1true assume !(1 == ~wl_pc~0); 40#L476true assume !(2 == ~wl_pc~0); 22#L477true assume !(1 == ~c1_pc~0); 16#L487true assume !(1 == ~c2_pc~0); 90#L496true assume !(1 == ~wb_pc~0); 27#L505true assume !(1 == ~e_c~0); 33#L514-1true assume !(1 == ~e_e~0); 132#L519-1true assume !(1 == ~e_f~0); 37#L524-1true assume !(1 == ~e_g~0); 130#L529-1true assume !(1 == ~e_c~0); 2#L534-1true assume !(1 == ~e_wl~0); 4#L676-1true [2022-10-17 10:50:23,291 INFO L750 eck$LassoCheckResult]: Loop: 4#L676-1true assume !false; 32#L546true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 73#L381true assume !true; 125#L397true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 39#L552true assume !(1 == ~c_req_up~0); 61#L552-2true start_simulation_~kernel_st~0#1 := 3; 12#L564true assume 0 == ~e_f~0;~e_f~0 := 1; 15#L564-2true assume !(0 == ~e_g~0); 6#L569-1true assume 0 == ~e_e~0;~e_e~0 := 1; 129#L574-1true assume 0 == ~e_c~0;~e_c~0 := 1; 10#L579-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 97#L584-1true assume 1 == ~wl_pc~0; 48#L590true assume 1 == ~e_wl~0;~wl_st~0 := 0; 111#L597true assume !(1 == ~c1_pc~0); 25#L607true assume !(1 == ~c2_pc~0); 101#L616true assume !(1 == ~wb_pc~0); 121#L625true assume 1 == ~e_c~0;~r_st~0 := 0; 60#L634-1true assume 1 == ~e_e~0;~e_e~0 := 2; 54#L639-1true assume !(1 == ~e_f~0); 114#L644-1true assume 1 == ~e_g~0;~e_g~0 := 2; 80#L649-1true assume 1 == ~e_c~0;~e_c~0 := 2; 38#L654-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 20#L659-1true assume 0 == ~wl_st~0; 4#L676-1true [2022-10-17 10:50:23,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:23,298 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-10-17 10:50:23,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:23,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073765015] [2022-10-17 10:50:23,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:23,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:23,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:23,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073765015] [2022-10-17 10:50:23,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073765015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:23,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:23,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:23,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307262262] [2022-10-17 10:50:23,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:23,592 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:23,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:23,593 INFO L85 PathProgramCache]: Analyzing trace with hash 672584946, now seen corresponding path program 1 times [2022-10-17 10:50:23,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:23,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772567945] [2022-10-17 10:50:23,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:23,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:23,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:23,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772567945] [2022-10-17 10:50:23,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772567945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:23,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:23,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:50:23,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713984077] [2022-10-17 10:50:23,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:23,617 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:50:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:23,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:50:23,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:50:23,651 INFO L87 Difference]: Start difference. First operand has 131 states, 130 states have (on average 1.8307692307692307) internal successors, (238), 130 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:23,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:23,669 INFO L93 Difference]: Finished difference Result 130 states and 224 transitions. [2022-10-17 10:50:23,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 224 transitions. [2022-10-17 10:50:23,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-10-17 10:50:23,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 125 states and 219 transitions. [2022-10-17 10:50:23,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-10-17 10:50:23,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-10-17 10:50:23,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 219 transitions. [2022-10-17 10:50:23,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:50:23,685 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 219 transitions. [2022-10-17 10:50:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 219 transitions. [2022-10-17 10:50:23,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-10-17 10:50:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.752) internal successors, (219), 124 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 219 transitions. [2022-10-17 10:50:23,721 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 219 transitions. [2022-10-17 10:50:23,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:50:23,726 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 219 transitions. [2022-10-17 10:50:23,726 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:50:23,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 219 transitions. [2022-10-17 10:50:23,729 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-10-17 10:50:23,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:23,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:23,731 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:23,732 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:23,732 INFO L748 eck$LassoCheckResult]: Stem: 391#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 337#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 338#L408 assume !(1 == ~c_req_up~0); 302#L408-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 384#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 393#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 366#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 367#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 346#L439-1 assume !(0 == ~e_f~0); 273#L444-1 assume !(0 == ~e_g~0); 274#L449-1 assume !(0 == ~e_e~0); 362#L454-1 assume !(0 == ~e_c~0); 363#L459-1 assume !(0 == ~e_wl~0); 309#L464-1 assume !(1 == ~wl_pc~0); 310#L476 assume !(2 == ~wl_pc~0); 307#L477 assume !(1 == ~c1_pc~0); 295#L487 assume !(1 == ~c2_pc~0); 297#L496 assume !(1 == ~wb_pc~0); 321#L505 assume !(1 == ~e_c~0); 322#L514-1 assume !(1 == ~e_e~0); 333#L519-1 assume !(1 == ~e_f~0); 340#L524-1 assume !(1 == ~e_g~0); 341#L529-1 assume !(1 == ~e_c~0); 270#L534-1 assume !(1 == ~e_wl~0); 271#L676-1 [2022-10-17 10:50:23,733 INFO L750 eck$LassoCheckResult]: Loop: 271#L676-1 assume !false; 272#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 294#L381 assume !false; 334#L299 assume !(0 == ~wl_st~0); 335#L303 assume !(0 == ~c1_st~0); 392#L306 assume !(0 == ~c2_st~0); 386#L309 assume !(0 == ~wb_st~0); 387#L312 assume !(0 == ~r_st~0); 394#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 342#L552 assume !(1 == ~c_req_up~0); 343#L552-2 start_simulation_~kernel_st~0#1 := 3; 290#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 291#L564-2 assume !(0 == ~e_g~0); 275#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 276#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 285#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 286#L584-1 assume 1 == ~wl_pc~0; 355#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 352#L597 assume !(1 == ~c1_pc~0); 315#L607 assume !(1 == ~c2_pc~0); 316#L616 assume !(1 == ~wb_pc~0); 375#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 365#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 360#L639-1 assume !(1 == ~e_f~0); 361#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 376#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 339#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 303#L659-1 assume 0 == ~wl_st~0; 271#L676-1 [2022-10-17 10:50:23,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:23,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-10-17 10:50:23,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:23,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550989991] [2022-10-17 10:50:23,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:23,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:23,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:23,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:23,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550989991] [2022-10-17 10:50:23,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550989991] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:23,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:23,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:23,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156273569] [2022-10-17 10:50:23,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:23,891 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:23,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:23,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1073460531, now seen corresponding path program 1 times [2022-10-17 10:50:23,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:23,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694330923] [2022-10-17 10:50:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:23,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:23,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:23,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694330923] [2022-10-17 10:50:23,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694330923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:23,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:23,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:23,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332459663] [2022-10-17 10:50:23,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:23,933 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:50:23,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:23,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:23,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:23,934 INFO L87 Difference]: Start difference. First operand 125 states and 219 transitions. cyclomatic complexity: 95 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:23,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:23,955 INFO L93 Difference]: Finished difference Result 125 states and 218 transitions. [2022-10-17 10:50:23,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 218 transitions. [2022-10-17 10:50:23,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-10-17 10:50:23,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 218 transitions. [2022-10-17 10:50:23,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-10-17 10:50:23,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-10-17 10:50:23,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 218 transitions. [2022-10-17 10:50:23,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:50:23,979 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 218 transitions. [2022-10-17 10:50:23,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 218 transitions. [2022-10-17 10:50:23,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-10-17 10:50:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.744) internal successors, (218), 124 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 218 transitions. [2022-10-17 10:50:23,997 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 218 transitions. [2022-10-17 10:50:23,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:23,999 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 218 transitions. [2022-10-17 10:50:24,001 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:50:24,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 218 transitions. [2022-10-17 10:50:24,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-10-17 10:50:24,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:24,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:24,005 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:24,007 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:24,008 INFO L748 eck$LassoCheckResult]: Stem: 648#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 594#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 595#L408 assume !(1 == ~c_req_up~0); 559#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 641#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 650#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 623#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 624#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 603#L439-1 assume !(0 == ~e_f~0); 530#L444-1 assume !(0 == ~e_g~0); 531#L449-1 assume !(0 == ~e_e~0); 619#L454-1 assume !(0 == ~e_c~0); 620#L459-1 assume !(0 == ~e_wl~0); 566#L464-1 assume !(1 == ~wl_pc~0); 567#L476 assume !(2 == ~wl_pc~0); 564#L477 assume !(1 == ~c1_pc~0); 552#L487 assume !(1 == ~c2_pc~0); 554#L496 assume !(1 == ~wb_pc~0); 578#L505 assume !(1 == ~e_c~0); 579#L514-1 assume !(1 == ~e_e~0); 590#L519-1 assume !(1 == ~e_f~0); 597#L524-1 assume !(1 == ~e_g~0); 598#L529-1 assume !(1 == ~e_c~0); 527#L534-1 assume !(1 == ~e_wl~0); 528#L676-1 [2022-10-17 10:50:24,009 INFO L750 eck$LassoCheckResult]: Loop: 528#L676-1 assume !false; 529#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 551#L381 assume !false; 591#L299 assume !(0 == ~wl_st~0); 592#L303 assume !(0 == ~c1_st~0); 649#L306 assume !(0 == ~c2_st~0); 643#L309 assume !(0 == ~wb_st~0); 644#L312 assume !(0 == ~r_st~0); 651#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 599#L552 assume !(1 == ~c_req_up~0); 600#L552-2 start_simulation_~kernel_st~0#1 := 3; 547#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 548#L564-2 assume !(0 == ~e_g~0); 532#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 533#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 542#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 543#L584-1 assume 1 == ~wl_pc~0; 612#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 609#L597 assume !(1 == ~c1_pc~0); 572#L607 assume !(1 == ~c2_pc~0); 573#L616 assume !(1 == ~wb_pc~0); 632#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 622#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 617#L639-1 assume !(1 == ~e_f~0); 618#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 634#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 596#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 560#L659-1 assume 0 == ~wl_st~0; 528#L676-1 [2022-10-17 10:50:24,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:24,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-10-17 10:50:24,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:24,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970625459] [2022-10-17 10:50:24,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:24,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:24,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:24,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970625459] [2022-10-17 10:50:24,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970625459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:24,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:24,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:24,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476610585] [2022-10-17 10:50:24,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:24,145 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:24,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:24,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1073460531, now seen corresponding path program 2 times [2022-10-17 10:50:24,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:24,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9873795] [2022-10-17 10:50:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:24,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:24,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9873795] [2022-10-17 10:50:24,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9873795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:24,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:24,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:24,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991215920] [2022-10-17 10:50:24,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:24,206 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:50:24,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:24,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:24,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:24,209 INFO L87 Difference]: Start difference. First operand 125 states and 218 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:24,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:24,240 INFO L93 Difference]: Finished difference Result 125 states and 217 transitions. [2022-10-17 10:50:24,240 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 217 transitions. [2022-10-17 10:50:24,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-10-17 10:50:24,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 217 transitions. [2022-10-17 10:50:24,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-10-17 10:50:24,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-10-17 10:50:24,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 217 transitions. [2022-10-17 10:50:24,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:50:24,254 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 217 transitions. [2022-10-17 10:50:24,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 217 transitions. [2022-10-17 10:50:24,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-10-17 10:50:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.736) internal successors, (217), 124 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 217 transitions. [2022-10-17 10:50:24,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 217 transitions. [2022-10-17 10:50:24,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:24,267 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 217 transitions. [2022-10-17 10:50:24,267 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:50:24,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 217 transitions. [2022-10-17 10:50:24,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-10-17 10:50:24,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:24,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:24,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:24,271 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:24,271 INFO L748 eck$LassoCheckResult]: Stem: 905#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 851#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 852#L408 assume !(1 == ~c_req_up~0); 816#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 898#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 907#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 880#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 881#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 860#L439-1 assume !(0 == ~e_f~0); 787#L444-1 assume !(0 == ~e_g~0); 788#L449-1 assume !(0 == ~e_e~0); 876#L454-1 assume !(0 == ~e_c~0); 877#L459-1 assume !(0 == ~e_wl~0); 823#L464-1 assume !(1 == ~wl_pc~0); 824#L476 assume !(2 == ~wl_pc~0); 821#L477 assume !(1 == ~c1_pc~0); 809#L487 assume !(1 == ~c2_pc~0); 811#L496 assume !(1 == ~wb_pc~0); 835#L505 assume !(1 == ~e_c~0); 836#L514-1 assume !(1 == ~e_e~0); 847#L519-1 assume !(1 == ~e_f~0); 854#L524-1 assume !(1 == ~e_g~0); 855#L529-1 assume !(1 == ~e_c~0); 784#L534-1 assume !(1 == ~e_wl~0); 785#L676-1 [2022-10-17 10:50:24,271 INFO L750 eck$LassoCheckResult]: Loop: 785#L676-1 assume !false; 786#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 808#L381 assume !false; 848#L299 assume !(0 == ~wl_st~0); 849#L303 assume !(0 == ~c1_st~0); 906#L306 assume !(0 == ~c2_st~0); 900#L309 assume !(0 == ~wb_st~0); 901#L312 assume !(0 == ~r_st~0); 908#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 856#L552 assume !(1 == ~c_req_up~0); 857#L552-2 start_simulation_~kernel_st~0#1 := 3; 804#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 805#L564-2 assume !(0 == ~e_g~0); 789#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 790#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 799#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 800#L584-1 assume !(1 == ~wl_pc~0); 864#L596 assume !(2 == ~wl_pc~0); 866#L597 assume !(1 == ~c1_pc~0); 829#L607 assume !(1 == ~c2_pc~0); 830#L616 assume !(1 == ~wb_pc~0); 889#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 879#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 874#L639-1 assume !(1 == ~e_f~0); 875#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 891#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 853#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 817#L659-1 assume 0 == ~wl_st~0; 785#L676-1 [2022-10-17 10:50:24,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:24,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-10-17 10:50:24,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:24,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149324640] [2022-10-17 10:50:24,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:24,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:24,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:24,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149324640] [2022-10-17 10:50:24,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149324640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:24,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:24,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:24,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659030705] [2022-10-17 10:50:24,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:24,308 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:24,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:24,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1622720252, now seen corresponding path program 1 times [2022-10-17 10:50:24,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:24,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545298453] [2022-10-17 10:50:24,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:24,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:24,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545298453] [2022-10-17 10:50:24,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545298453] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:24,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:24,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:24,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702662595] [2022-10-17 10:50:24,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:24,339 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:50:24,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:24,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:24,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:24,340 INFO L87 Difference]: Start difference. First operand 125 states and 217 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:24,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:24,349 INFO L93 Difference]: Finished difference Result 125 states and 216 transitions. [2022-10-17 10:50:24,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 216 transitions. [2022-10-17 10:50:24,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-10-17 10:50:24,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 216 transitions. [2022-10-17 10:50:24,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-10-17 10:50:24,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-10-17 10:50:24,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 216 transitions. [2022-10-17 10:50:24,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:50:24,355 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 216 transitions. [2022-10-17 10:50:24,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 216 transitions. [2022-10-17 10:50:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-10-17 10:50:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.728) internal successors, (216), 124 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 216 transitions. [2022-10-17 10:50:24,363 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 216 transitions. [2022-10-17 10:50:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:24,364 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 216 transitions. [2022-10-17 10:50:24,365 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:50:24,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 216 transitions. [2022-10-17 10:50:24,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2022-10-17 10:50:24,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:24,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:24,368 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:24,368 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:24,368 INFO L748 eck$LassoCheckResult]: Stem: 1162#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1108#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1109#L408 assume !(1 == ~c_req_up~0); 1073#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1155#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1164#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1137#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1138#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1117#L439-1 assume !(0 == ~e_f~0); 1044#L444-1 assume !(0 == ~e_g~0); 1045#L449-1 assume !(0 == ~e_e~0); 1133#L454-1 assume !(0 == ~e_c~0); 1134#L459-1 assume !(0 == ~e_wl~0); 1080#L464-1 assume !(1 == ~wl_pc~0); 1081#L476 assume !(2 == ~wl_pc~0); 1078#L477 assume !(1 == ~c1_pc~0); 1066#L487 assume !(1 == ~c2_pc~0); 1068#L496 assume !(1 == ~wb_pc~0); 1092#L505 assume !(1 == ~e_c~0); 1093#L514-1 assume !(1 == ~e_e~0); 1104#L519-1 assume !(1 == ~e_f~0); 1111#L524-1 assume !(1 == ~e_g~0); 1112#L529-1 assume !(1 == ~e_c~0); 1041#L534-1 assume !(1 == ~e_wl~0); 1042#L676-1 [2022-10-17 10:50:24,368 INFO L750 eck$LassoCheckResult]: Loop: 1042#L676-1 assume !false; 1043#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1065#L381 assume !false; 1105#L299 assume !(0 == ~wl_st~0); 1106#L303 assume !(0 == ~c1_st~0); 1163#L306 assume !(0 == ~c2_st~0); 1157#L309 assume !(0 == ~wb_st~0); 1158#L312 assume !(0 == ~r_st~0); 1165#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1113#L552 assume !(1 == ~c_req_up~0); 1114#L552-2 start_simulation_~kernel_st~0#1 := 3; 1061#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1062#L564-2 assume !(0 == ~e_g~0); 1046#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1047#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1056#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1057#L584-1 assume !(1 == ~wl_pc~0); 1121#L596 assume !(2 == ~wl_pc~0); 1123#L597 assume !(1 == ~c1_pc~0); 1086#L607 assume !(1 == ~c2_pc~0); 1087#L616 assume !(1 == ~wb_pc~0); 1146#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1136#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1131#L639-1 assume !(1 == ~e_f~0); 1132#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1148#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1110#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1074#L659-1 assume 0 == ~wl_st~0; 1042#L676-1 [2022-10-17 10:50:24,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:24,369 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-10-17 10:50:24,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:24,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715340382] [2022-10-17 10:50:24,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:24,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:24,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:24,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:24,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:24,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1622720252, now seen corresponding path program 2 times [2022-10-17 10:50:24,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:24,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524864408] [2022-10-17 10:50:24,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:24,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:24,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:24,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524864408] [2022-10-17 10:50:24,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524864408] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:24,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:24,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:24,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066037272] [2022-10-17 10:50:24,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:24,449 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:50:24,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:24,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:24,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:24,450 INFO L87 Difference]: Start difference. First operand 125 states and 216 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:24,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:24,493 INFO L93 Difference]: Finished difference Result 159 states and 276 transitions. [2022-10-17 10:50:24,493 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 276 transitions. [2022-10-17 10:50:24,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 111 [2022-10-17 10:50:24,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 159 states and 276 transitions. [2022-10-17 10:50:24,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2022-10-17 10:50:24,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2022-10-17 10:50:24,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 276 transitions. [2022-10-17 10:50:24,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:50:24,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 159 states and 276 transitions. [2022-10-17 10:50:24,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 276 transitions. [2022-10-17 10:50:24,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-10-17 10:50:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 1.7358490566037736) internal successors, (276), 158 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 276 transitions. [2022-10-17 10:50:24,507 INFO L240 hiAutomatonCegarLoop]: Abstraction has 159 states and 276 transitions. [2022-10-17 10:50:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:24,509 INFO L428 stractBuchiCegarLoop]: Abstraction has 159 states and 276 transitions. [2022-10-17 10:50:24,509 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:50:24,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 276 transitions. [2022-10-17 10:50:24,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 111 [2022-10-17 10:50:24,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:24,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:24,512 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:24,512 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:24,512 INFO L748 eck$LassoCheckResult]: Stem: 1458#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1400#L408 assume !(1 == ~c_req_up~0); 1364#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1450#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1461#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1429#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1430#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1408#L439-1 assume 0 == ~e_f~0;~e_f~0 := 1; 1334#L444-1 assume !(0 == ~e_g~0); 1335#L449-1 assume !(0 == ~e_e~0); 1425#L454-1 assume !(0 == ~e_c~0); 1426#L459-1 assume !(0 == ~e_wl~0); 1371#L464-1 assume !(1 == ~wl_pc~0); 1372#L476 assume !(2 == ~wl_pc~0); 1369#L477 assume !(1 == ~c1_pc~0); 1357#L487 assume !(1 == ~c2_pc~0); 1359#L496 assume !(1 == ~wb_pc~0); 1383#L505 assume !(1 == ~e_c~0); 1384#L514-1 assume !(1 == ~e_e~0); 1395#L519-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1402#L524-1 assume !(1 == ~e_g~0); 1403#L529-1 assume !(1 == ~e_c~0); 1331#L534-1 assume !(1 == ~e_wl~0); 1332#L676-1 [2022-10-17 10:50:24,513 INFO L750 eck$LassoCheckResult]: Loop: 1332#L676-1 assume !false; 1333#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1356#L381 assume !false; 1396#L299 assume !(0 == ~wl_st~0); 1397#L303 assume !(0 == ~c1_st~0); 1460#L306 assume !(0 == ~c2_st~0); 1452#L309 assume !(0 == ~wb_st~0); 1453#L312 assume !(0 == ~r_st~0); 1462#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1404#L552 assume !(1 == ~c_req_up~0); 1405#L552-2 start_simulation_~kernel_st~0#1 := 3; 1351#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1352#L564-2 assume !(0 == ~e_g~0); 1489#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1488#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1487#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1486#L584-1 assume 1 == ~wl_pc~0; 1484#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1482#L597 assume !(1 == ~c1_pc~0); 1442#L607 assume !(1 == ~c2_pc~0); 1436#L616 assume !(1 == ~wb_pc~0); 1479#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1428#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1423#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1424#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1443#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1401#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1365#L659-1 assume 0 == ~wl_st~0; 1332#L676-1 [2022-10-17 10:50:24,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:24,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1276613851, now seen corresponding path program 1 times [2022-10-17 10:50:24,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:24,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303333536] [2022-10-17 10:50:24,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:24,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:24,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303333536] [2022-10-17 10:50:24,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303333536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:24,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:24,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:24,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153372348] [2022-10-17 10:50:24,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:24,559 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:24,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:24,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1071613489, now seen corresponding path program 1 times [2022-10-17 10:50:24,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:24,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020895573] [2022-10-17 10:50:24,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:24,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:24,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:24,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:24,938 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:50:24,939 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:50:24,940 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:50:24,940 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:50:24,940 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:50:24,940 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:24,946 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:50:24,946 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:50:24,946 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2022-10-17 10:50:24,946 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:50:24,947 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:50:24,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:24,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:24,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:24,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:24,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:24,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:24,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:24,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,031 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,294 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:50:25,295 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:50:25,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:25,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:25,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:25,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:25,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:25,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:50:25,331 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:25,351 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:25,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-10-17 10:50:25,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:25,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:25,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:25,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:25,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:25,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:50:25,421 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:25,429 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:25,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:25,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:25,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:25,469 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:25,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:25,474 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:25,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:50:25,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:25,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:25,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:25,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:25,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:50:25,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:25,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:50:25,568 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:50:25,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:25,604 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:50:25,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:50:25,604 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:50:25,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:50:25,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:50:25,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:25,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:50:25,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:50:25,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2022-10-17 10:50:25,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:50:25,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:50:25,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:25,949 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:50:25,953 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:50:25,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:25,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:25,956 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:25,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:25,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:25,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:25,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:25,978 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:50:25,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:25,981 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:50:25,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:25,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:50:25,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:26,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:26,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:26,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:26,019 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:26,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:50:26,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:26,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:26,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:26,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:26,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:50:26,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:26,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:50:26,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:26,052 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:50:26,056 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:50:26,056 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:50:26,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:26,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:26,061 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:26,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:50:26,089 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:50:26,089 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:50:26,089 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:50:26,089 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-10-17 10:50:26,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:26,141 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:50:26,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:50:26,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:50:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:50:26,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:50:26,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:26,461 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-10-17 10:50:26,462 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 159 states and 276 transitions. cyclomatic complexity: 118 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:26,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 159 states and 276 transitions. cyclomatic complexity: 118. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 500 states and 860 transitions. Complement of second has 5 states. [2022-10-17 10:50:26,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:50:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2022-10-17 10:50:26,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2022-10-17 10:50:26,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:26,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2022-10-17 10:50:26,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:26,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2022-10-17 10:50:26,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:26,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 500 states and 860 transitions. [2022-10-17 10:50:26,584 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 333 [2022-10-17 10:50:26,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 500 states to 500 states and 860 transitions. [2022-10-17 10:50:26,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 382 [2022-10-17 10:50:26,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 386 [2022-10-17 10:50:26,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 500 states and 860 transitions. [2022-10-17 10:50:26,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:26,592 INFO L218 hiAutomatonCegarLoop]: Abstraction has 500 states and 860 transitions. [2022-10-17 10:50:26,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states and 860 transitions. [2022-10-17 10:50:26,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 385. [2022-10-17 10:50:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 385 states have (on average 1.7246753246753246) internal successors, (664), 384 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 664 transitions. [2022-10-17 10:50:26,621 INFO L240 hiAutomatonCegarLoop]: Abstraction has 385 states and 664 transitions. [2022-10-17 10:50:26,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:26,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:26,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:26,622 INFO L87 Difference]: Start difference. First operand 385 states and 664 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:26,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:26,650 INFO L93 Difference]: Finished difference Result 316 states and 521 transitions. [2022-10-17 10:50:26,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 521 transitions. [2022-10-17 10:50:26,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2022-10-17 10:50:26,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 521 transitions. [2022-10-17 10:50:26,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2022-10-17 10:50:26,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2022-10-17 10:50:26,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 521 transitions. [2022-10-17 10:50:26,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:26,658 INFO L218 hiAutomatonCegarLoop]: Abstraction has 316 states and 521 transitions. [2022-10-17 10:50:26,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 521 transitions. [2022-10-17 10:50:26,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2022-10-17 10:50:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.6487341772151898) internal successors, (521), 315 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 521 transitions. [2022-10-17 10:50:26,669 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 521 transitions. [2022-10-17 10:50:26,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:26,672 INFO L428 stractBuchiCegarLoop]: Abstraction has 316 states and 521 transitions. [2022-10-17 10:50:26,672 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-10-17 10:50:26,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 521 transitions. [2022-10-17 10:50:26,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2022-10-17 10:50:26,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:26,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:26,677 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:26,677 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:26,678 INFO L748 eck$LassoCheckResult]: Stem: 3099#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 2990#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 2991#L408 assume !(1 == ~c_req_up~0); 2927#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 3085#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 3104#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 3042#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 3043#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 3003#L439-1 assume !(0 == ~e_f~0); 2873#L444-1 assume !(0 == ~e_g~0); 2874#L449-1 assume !(0 == ~e_e~0); 3035#L454-1 assume !(0 == ~e_c~0); 3036#L459-1 assume !(0 == ~e_wl~0); 2938#L464-1 assume !(1 == ~wl_pc~0); 2939#L476 assume !(2 == ~wl_pc~0); 2936#L477 assume !(1 == ~c1_pc~0); 2917#L487 assume !(1 == ~c2_pc~0); 2919#L496 assume !(1 == ~wb_pc~0); 2959#L505 assume !(1 == ~e_c~0); 2960#L514-1 assume !(1 == ~e_e~0); 2982#L519-1 assume !(1 == ~e_f~0); 2992#L524-1 assume !(1 == ~e_g~0); 2993#L529-1 assume !(1 == ~e_c~0); 2867#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2868#L676-1 [2022-10-17 10:50:26,678 INFO L750 eck$LassoCheckResult]: Loop: 2868#L676-1 assume !false; 2870#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 3133#L381 assume !false; 3132#L299 assume !(0 == ~wl_st~0); 3131#L303 assume !(0 == ~c1_st~0); 3130#L306 assume !(0 == ~c2_st~0); 3129#L309 assume !(0 == ~wb_st~0); 3128#L312 assume !(0 == ~r_st~0); 3114#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 3112#L552 assume !(1 == ~c_req_up~0); 3111#L552-2 start_simulation_~kernel_st~0#1 := 3; 3110#L564 assume !(0 == ~e_f~0); 2915#L564-2 assume !(0 == ~e_g~0); 2916#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 3109#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 2895#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 2896#L584-1 assume !(1 == ~wl_pc~0); 3010#L596 assume !(2 == ~wl_pc~0); 3012#L597 assume !(1 == ~c1_pc~0); 3063#L607 assume !(1 == ~c2_pc~0); 3120#L616 assume !(1 == ~wb_pc~0); 3100#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 3101#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 3118#L639-1 assume !(1 == ~e_f~0); 3117#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 3116#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 2994#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2928#L659-1 assume 0 == ~wl_st~0; 2868#L676-1 [2022-10-17 10:50:26,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:26,678 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2022-10-17 10:50:26,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:26,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767878764] [2022-10-17 10:50:26,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:26,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:26,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:26,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767878764] [2022-10-17 10:50:26,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767878764] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:26,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:26,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:26,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999785371] [2022-10-17 10:50:26,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:26,769 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:26,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:26,770 INFO L85 PathProgramCache]: Analyzing trace with hash 34372350, now seen corresponding path program 1 times [2022-10-17 10:50:26,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:26,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370839907] [2022-10-17 10:50:26,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:26,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:26,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370839907] [2022-10-17 10:50:26,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370839907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:26,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:26,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:50:26,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681969008] [2022-10-17 10:50:26,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:26,816 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:50:26,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:26,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:50:26,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:50:26,817 INFO L87 Difference]: Start difference. First operand 316 states and 521 transitions. cyclomatic complexity: 208 Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:26,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:26,910 INFO L93 Difference]: Finished difference Result 597 states and 967 transitions. [2022-10-17 10:50:26,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 597 states and 967 transitions. [2022-10-17 10:50:26,916 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 313 [2022-10-17 10:50:26,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 597 states to 597 states and 967 transitions. [2022-10-17 10:50:26,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 390 [2022-10-17 10:50:26,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 390 [2022-10-17 10:50:26,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 597 states and 967 transitions. [2022-10-17 10:50:26,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:26,924 INFO L218 hiAutomatonCegarLoop]: Abstraction has 597 states and 967 transitions. [2022-10-17 10:50:26,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states and 967 transitions. [2022-10-17 10:50:26,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 595. [2022-10-17 10:50:26,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 595 states have (on average 1.6218487394957983) internal successors, (965), 594 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 965 transitions. [2022-10-17 10:50:26,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 595 states and 965 transitions. [2022-10-17 10:50:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:50:26,945 INFO L428 stractBuchiCegarLoop]: Abstraction has 595 states and 965 transitions. [2022-10-17 10:50:26,945 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-10-17 10:50:26,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 595 states and 965 transitions. [2022-10-17 10:50:26,949 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 313 [2022-10-17 10:50:26,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:26,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:26,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:26,951 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:26,951 INFO L748 eck$LassoCheckResult]: Stem: 4050#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 3916#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 3917#L408 assume !(1 == ~c_req_up~0); 4040#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 4152#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 4151#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 4150#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 4149#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 4148#L439-1 assume !(0 == ~e_f~0); 4147#L444-1 assume !(0 == ~e_g~0); 4146#L449-1 assume !(0 == ~e_e~0); 4145#L454-1 assume 0 == ~e_c~0;~e_c~0 := 1; 3968#L459-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 4044#L464-1 assume !(1 == ~wl_pc~0); 4090#L476 assume !(2 == ~wl_pc~0); 4089#L477 assume !(1 == ~c1_pc~0); 3839#L487 assume !(1 == ~c2_pc~0); 3841#L496 assume !(1 == ~wb_pc~0); 3882#L505 assume !(1 == ~e_c~0); 3883#L514-1 assume !(1 == ~e_e~0); 3907#L519-1 assume !(1 == ~e_f~0); 3918#L524-1 assume !(1 == ~e_g~0); 3919#L529-1 assume !(1 == ~e_c~0); 4068#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 4206#L676-1 [2022-10-17 10:50:26,952 INFO L750 eck$LassoCheckResult]: Loop: 4206#L676-1 assume !false; 4199#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 4196#L381 assume !false; 4195#L299 assume !(0 == ~wl_st~0); 4194#L303 assume !(0 == ~c1_st~0); 4193#L306 assume !(0 == ~c2_st~0); 4192#L309 assume !(0 == ~wb_st~0); 4190#L312 assume !(0 == ~r_st~0); 4189#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 4187#L552 assume !(1 == ~c_req_up~0); 4186#L552-2 start_simulation_~kernel_st~0#1 := 3; 4185#L564 assume !(0 == ~e_f~0); 4184#L564-2 assume !(0 == ~e_g~0); 4183#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 4181#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 4182#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 4247#L584-1 assume 1 == ~wl_pc~0; 4240#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 4238#L597 assume !(1 == ~c1_pc~0); 4236#L607 assume !(1 == ~c2_pc~0); 4232#L616 assume !(1 == ~wb_pc~0); 4228#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 4226#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 4224#L639-1 assume !(1 == ~e_f~0); 4222#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 4220#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 4217#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 4211#L659-1 assume 0 == ~wl_st~0; 4206#L676-1 [2022-10-17 10:50:26,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:26,952 INFO L85 PathProgramCache]: Analyzing trace with hash 584245653, now seen corresponding path program 1 times [2022-10-17 10:50:26,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:26,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904807664] [2022-10-17 10:50:26,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:26,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:27,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:27,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904807664] [2022-10-17 10:50:27,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904807664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:27,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:27,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:50:27,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511912399] [2022-10-17 10:50:27,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:27,028 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:27,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:27,029 INFO L85 PathProgramCache]: Analyzing trace with hash -514887371, now seen corresponding path program 1 times [2022-10-17 10:50:27,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:27,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600345747] [2022-10-17 10:50:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:27,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:27,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:27,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:27,334 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:50:27,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:50:27,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:50:27,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:50:27,335 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:50:27,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:50:27,335 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:50:27,335 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration8_Loop [2022-10-17 10:50:27,335 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:50:27,335 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:50:27,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,381 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,630 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:50:27,630 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:50:27,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:27,633 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:27,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:27,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:27,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:50:27,656 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:27,656 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:27,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-10-17 10:50:27,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:27,697 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:27,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:50:27,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:27,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:27,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:27,729 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:27,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:27,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:27,754 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:27,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:50:27,755 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:27,755 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:27,766 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:27,766 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:27,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:27,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:27,787 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:27,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:50:27,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:27,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:27,806 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:27,806 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:27,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:27,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:27,827 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:27,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:50:27,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:27,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:27,842 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:27,842 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:27,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:27,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:27,863 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:27,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:50:27,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:27,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:27,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:27,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:27,897 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:27,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:50:27,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:50:27,902 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:27,936 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:50:27,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:27,972 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:50:27,972 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:50:27,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:50:27,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:50:27,973 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:50:27,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:27,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:50:27,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:50:27,973 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration8_Loop [2022-10-17 10:50:27,973 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:50:27,973 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:50:27,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:27,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,015 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:28,270 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:50:28,270 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:50:28,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:28,273 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:28,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:28,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:28,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:28,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:28,290 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:50:28,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:28,291 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:50:28,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:28,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:50:28,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:28,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:28,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:28,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:28,354 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:28,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:28,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:28,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:28,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:28,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:50:28,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:28,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:50:28,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:28,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:50:28,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:28,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:28,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:28,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:28,437 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:28,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:28,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:28,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:28,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:28,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:50:28,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:28,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:50:28,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:28,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:50:28,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:28,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:28,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:28,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:28,504 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:28,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:28,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:28,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:28,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:28,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:50:28,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:28,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:50:28,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:28,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:50:28,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:28,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:28,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:28,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:28,570 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:28,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:28,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:28,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:28,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:28,589 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:50:28,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:28,591 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:50:28,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:28,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:50:28,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:28,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:28,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:28,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:28,657 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:28,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:50:28,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:28,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:28,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:28,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:28,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:50:28,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:28,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:50:28,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:28,691 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:50:28,695 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:50:28,695 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:50:28,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:28,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:28,696 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:28,701 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:50:28,701 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:50:28,702 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:50:28,702 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-10-17 10:50:28,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:50:28,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:28,742 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:50:28,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:28,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:50:28,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:50:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:28,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:50:28,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:50:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:28,951 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-10-17 10:50:28,951 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 595 states and 965 transitions. cyclomatic complexity: 375 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 595 states and 965 transitions. cyclomatic complexity: 375. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 933 states and 1520 transitions. Complement of second has 5 states. [2022-10-17 10:50:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:50:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2022-10-17 10:50:29,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 24 letters. Loop has 28 letters. [2022-10-17 10:50:29,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:29,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 52 letters. Loop has 28 letters. [2022-10-17 10:50:29,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:29,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 24 letters. Loop has 56 letters. [2022-10-17 10:50:29,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:29,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 933 states and 1520 transitions. [2022-10-17 10:50:29,024 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 533 [2022-10-17 10:50:29,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 933 states to 933 states and 1520 transitions. [2022-10-17 10:50:29,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 610 [2022-10-17 10:50:29,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 614 [2022-10-17 10:50:29,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 933 states and 1520 transitions. [2022-10-17 10:50:29,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:29,036 INFO L218 hiAutomatonCegarLoop]: Abstraction has 933 states and 1520 transitions. [2022-10-17 10:50:29,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states and 1520 transitions. [2022-10-17 10:50:29,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 595. [2022-10-17 10:50:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 595 states have (on average 1.6218487394957983) internal successors, (965), 594 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 965 transitions. [2022-10-17 10:50:29,054 INFO L240 hiAutomatonCegarLoop]: Abstraction has 595 states and 965 transitions. [2022-10-17 10:50:29,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:29,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:50:29,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:50:29,055 INFO L87 Difference]: Start difference. First operand 595 states and 965 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:29,142 INFO L93 Difference]: Finished difference Result 1015 states and 1639 transitions. [2022-10-17 10:50:29,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1015 states and 1639 transitions. [2022-10-17 10:50:29,151 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 498 [2022-10-17 10:50:29,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1015 states to 1015 states and 1639 transitions. [2022-10-17 10:50:29,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 618 [2022-10-17 10:50:29,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 618 [2022-10-17 10:50:29,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1015 states and 1639 transitions. [2022-10-17 10:50:29,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:29,163 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1015 states and 1639 transitions. [2022-10-17 10:50:29,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states and 1639 transitions. [2022-10-17 10:50:29,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 600. [2022-10-17 10:50:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 600 states have (on average 1.61) internal successors, (966), 599 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 966 transitions. [2022-10-17 10:50:29,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 600 states and 966 transitions. [2022-10-17 10:50:29,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:50:29,185 INFO L428 stractBuchiCegarLoop]: Abstraction has 600 states and 966 transitions. [2022-10-17 10:50:29,185 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-10-17 10:50:29,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 600 states and 966 transitions. [2022-10-17 10:50:29,189 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 319 [2022-10-17 10:50:29,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:29,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:29,191 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:29,191 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:29,193 INFO L748 eck$LassoCheckResult]: Stem: 7407#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 7235#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 7236#L408 assume !(1 == ~c_req_up~0); 7369#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 7370#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 7417#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 7418#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 7408#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 7409#L439-1 assume !(0 == ~e_f~0); 7114#L444-1 assume !(0 == ~e_g~0); 7115#L449-1 assume !(0 == ~e_e~0); 7291#L454-1 assume !(0 == ~e_c~0); 7292#L459-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 7181#L464-1 assume !(1 == ~wl_pc~0); 7182#L476 assume !(2 == ~wl_pc~0); 7444#L477 assume !(1 == ~c1_pc~0); 7442#L487 assume !(1 == ~c2_pc~0); 7440#L496 assume !(1 == ~wb_pc~0); 7438#L505 assume !(1 == ~e_c~0); 7437#L514-1 assume !(1 == ~e_e~0); 7436#L519-1 assume !(1 == ~e_f~0); 7435#L524-1 assume !(1 == ~e_g~0); 7434#L529-1 assume !(1 == ~e_c~0); 7433#L534-1 assume !(1 == ~e_wl~0); 7109#L676-1 assume !false; 7111#L546 [2022-10-17 10:50:29,193 INFO L750 eck$LassoCheckResult]: Loop: 7111#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 7325#L381 assume !false; 7326#L299 assume !(0 == ~wl_st~0); 7412#L303 assume !(0 == ~c1_st~0); 7413#L306 assume !(0 == ~c2_st~0); 7424#L309 assume !(0 == ~wb_st~0); 7427#L312 assume !(0 == ~r_st~0); 7419#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 7242#L552 assume !(1 == ~c_req_up~0); 7243#L552-2 start_simulation_~kernel_st~0#1 := 3; 7146#L564 assume !(0 == ~e_f~0); 7147#L564-2 assume !(0 == ~e_g~0); 7116#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 7117#L574-1 assume !(0 == ~e_c~0); 7136#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 7137#L584-1 assume 1 == ~wl_pc~0; 7652#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 7650#L597 assume !(1 == ~c1_pc~0); 7648#L607 assume !(1 == ~c2_pc~0); 7646#L616 assume !(1 == ~wb_pc~0); 7644#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 7643#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 7642#L639-1 assume !(1 == ~e_f~0); 7641#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 7533#L649-1 assume !(1 == ~e_c~0); 7530#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7171#L659-1 assume 0 == ~wl_st~0; 7110#L676-1 assume !false; 7111#L546 [2022-10-17 10:50:29,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:29,193 INFO L85 PathProgramCache]: Analyzing trace with hash -79370950, now seen corresponding path program 1 times [2022-10-17 10:50:29,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:29,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291892943] [2022-10-17 10:50:29,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:29,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:29,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:29,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291892943] [2022-10-17 10:50:29,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291892943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:29,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:29,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:50:29,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482107865] [2022-10-17 10:50:29,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:29,255 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:29,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:29,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1109190157, now seen corresponding path program 1 times [2022-10-17 10:50:29,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:29,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983608382] [2022-10-17 10:50:29,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:29,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:29,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:29,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983608382] [2022-10-17 10:50:29,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983608382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:29,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:29,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:29,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374113284] [2022-10-17 10:50:29,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:29,274 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:50:29,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:29,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:50:29,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:50:29,275 INFO L87 Difference]: Start difference. First operand 600 states and 966 transitions. cyclomatic complexity: 371 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:29,332 INFO L93 Difference]: Finished difference Result 1248 states and 1981 transitions. [2022-10-17 10:50:29,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1248 states and 1981 transitions. [2022-10-17 10:50:29,343 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 710 [2022-10-17 10:50:29,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1248 states to 1248 states and 1981 transitions. [2022-10-17 10:50:29,355 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 796 [2022-10-17 10:50:29,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 796 [2022-10-17 10:50:29,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1248 states and 1981 transitions. [2022-10-17 10:50:29,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:29,357 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1248 states and 1981 transitions. [2022-10-17 10:50:29,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states and 1981 transitions. [2022-10-17 10:50:29,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 800. [2022-10-17 10:50:29,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 800 states have (on average 1.58875) internal successors, (1271), 799 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1271 transitions. [2022-10-17 10:50:29,380 INFO L240 hiAutomatonCegarLoop]: Abstraction has 800 states and 1271 transitions. [2022-10-17 10:50:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:50:29,380 INFO L428 stractBuchiCegarLoop]: Abstraction has 800 states and 1271 transitions. [2022-10-17 10:50:29,381 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-10-17 10:50:29,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 800 states and 1271 transitions. [2022-10-17 10:50:29,385 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 465 [2022-10-17 10:50:29,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:29,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:29,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:29,387 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:29,387 INFO L748 eck$LassoCheckResult]: Stem: 9242#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 9089#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 9090#L408 assume !(1 == ~c_req_up~0); 9207#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 9208#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 9255#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 9154#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 9155#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 9243#L439-1 assume !(0 == ~e_f~0); 8972#L444-1 assume !(0 == ~e_g~0); 8973#L449-1 assume !(0 == ~e_e~0); 9143#L454-1 assume !(0 == ~e_c~0); 9144#L459-1 assume !(0 == ~e_wl~0); 9037#L464-1 assume !(1 == ~wl_pc~0); 9038#L476 assume !(2 == ~wl_pc~0); 9034#L477 assume !(1 == ~c1_pc~0); 9036#L487 assume !(1 == ~c2_pc~0); 9209#L496 assume !(1 == ~wb_pc~0); 9210#L505 assume !(1 == ~e_c~0); 9269#L514-1 assume !(1 == ~e_e~0); 9264#L519-1 assume !(1 == ~e_f~0); 9095#L524-1 assume !(1 == ~e_g~0); 9096#L529-1 assume !(1 == ~e_c~0); 9263#L534-1 assume !(1 == ~e_wl~0); 9277#L676-1 assume !false; 9278#L546 [2022-10-17 10:50:29,387 INFO L750 eck$LassoCheckResult]: Loop: 9278#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 9709#L381 assume !false; 9708#L299 assume !(0 == ~wl_st~0); 9707#L303 assume !(0 == ~c1_st~0); 9706#L306 assume !(0 == ~c2_st~0); 9705#L309 assume !(0 == ~wb_st~0); 9607#L312 assume !(0 == ~r_st~0); 9252#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 9097#L552 assume !(1 == ~c_req_up~0); 9098#L552-2 start_simulation_~kernel_st~0#1 := 3; 9002#L564 assume !(0 == ~e_f~0); 9003#L564-2 assume !(0 == ~e_g~0); 8974#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 8975#L574-1 assume !(0 == ~e_c~0); 8994#L579-1 assume !(0 == ~e_wl~0); 8995#L584-1 assume !(1 == ~wl_pc~0); 9116#L596 assume !(2 == ~wl_pc~0); 9118#L597 assume !(1 == ~c1_pc~0); 9046#L607 assume !(1 == ~c2_pc~0); 9047#L616 assume !(1 == ~wb_pc~0); 9178#L625 assume !(1 == ~e_c~0); 9244#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 9765#L639-1 assume !(1 == ~e_f~0); 9764#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 9763#L649-1 assume !(1 == ~e_c~0); 9762#L654-1 assume !(1 == ~e_wl~0); 9760#L659-1 assume 0 == ~wl_st~0; 9616#L676-1 assume !false; 9278#L546 [2022-10-17 10:50:29,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:29,388 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2022-10-17 10:50:29,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:29,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712335268] [2022-10-17 10:50:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:29,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:29,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:29,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:29,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:29,432 INFO L85 PathProgramCache]: Analyzing trace with hash -864089630, now seen corresponding path program 1 times [2022-10-17 10:50:29,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:29,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881799823] [2022-10-17 10:50:29,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:29,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:29,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:29,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:29,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881799823] [2022-10-17 10:50:29,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881799823] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:29,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:29,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:29,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777154371] [2022-10-17 10:50:29,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:29,488 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:50:29,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:29,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:29,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:29,489 INFO L87 Difference]: Start difference. First operand 800 states and 1271 transitions. cyclomatic complexity: 476 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:29,518 INFO L93 Difference]: Finished difference Result 1241 states and 1961 transitions. [2022-10-17 10:50:29,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1241 states and 1961 transitions. [2022-10-17 10:50:29,529 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 739 [2022-10-17 10:50:29,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1241 states to 1241 states and 1961 transitions. [2022-10-17 10:50:29,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 799 [2022-10-17 10:50:29,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 799 [2022-10-17 10:50:29,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1241 states and 1961 transitions. [2022-10-17 10:50:29,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:29,542 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1241 states and 1961 transitions. [2022-10-17 10:50:29,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states and 1961 transitions. [2022-10-17 10:50:29,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1241. [2022-10-17 10:50:29,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1241 states have (on average 1.5801772763900082) internal successors, (1961), 1240 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1961 transitions. [2022-10-17 10:50:29,575 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1241 states and 1961 transitions. [2022-10-17 10:50:29,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:29,576 INFO L428 stractBuchiCegarLoop]: Abstraction has 1241 states and 1961 transitions. [2022-10-17 10:50:29,576 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-10-17 10:50:29,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1241 states and 1961 transitions. [2022-10-17 10:50:29,584 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 739 [2022-10-17 10:50:29,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:29,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:29,585 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:29,585 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:29,585 INFO L748 eck$LassoCheckResult]: Stem: 11294#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 11137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 11138#L408 assume !(1 == ~c_req_up~0); 11255#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 11256#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 11303#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 11304#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 11295#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 11296#L439-1 assume !(0 == ~e_f~0); 11019#L444-1 assume !(0 == ~e_g~0); 11020#L449-1 assume !(0 == ~e_e~0); 11188#L454-1 assume !(0 == ~e_c~0); 11189#L459-1 assume !(0 == ~e_wl~0); 11284#L464-1 assume !(1 == ~wl_pc~0); 11331#L476 assume !(2 == ~wl_pc~0); 11330#L477 assume !(1 == ~c1_pc~0); 11069#L487 assume !(1 == ~c2_pc~0); 11071#L496 assume !(1 == ~wb_pc~0); 11106#L505 assume !(1 == ~e_c~0); 11107#L514-1 assume !(1 == ~e_e~0); 11321#L519-1 assume !(1 == ~e_f~0); 11141#L524-1 assume !(1 == ~e_g~0); 11142#L529-1 assume !(1 == ~e_c~0); 11320#L534-1 assume !(1 == ~e_wl~0); 11462#L676-1 assume !false; 11463#L546 [2022-10-17 10:50:29,585 INFO L750 eck$LassoCheckResult]: Loop: 11463#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 12154#L381 assume !false; 11823#L299 assume !(0 == ~wl_st~0); 11130#L303 assume !(0 == ~c1_st~0); 11309#L306 assume !(0 == ~c2_st~0); 11310#L309 assume !(0 == ~wb_st~0); 11313#L312 assume !(0 == ~r_st~0); 11305#L397 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 11306#L552 assume !(1 == ~c_req_up~0); 12147#L552-2 start_simulation_~kernel_st~0#1 := 3; 11049#L564 assume !(0 == ~e_f~0); 11050#L564-2 assume !(0 == ~e_g~0); 11021#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 11022#L574-1 assume !(0 == ~e_c~0); 11041#L579-1 assume !(0 == ~e_wl~0); 11042#L584-1 assume !(1 == ~wl_pc~0); 11162#L596 assume 2 == ~wl_pc~0; 11163#L598 assume 1 == ~e_e~0;~wl_st~0 := 0; 11287#L597 assume !(1 == ~c1_pc~0); 11094#L607 assume !(1 == ~c2_pc~0); 11095#L616 assume !(1 == ~wb_pc~0); 12175#L625 assume !(1 == ~e_c~0); 12174#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 12171#L639-1 assume !(1 == ~e_f~0); 12166#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 12165#L649-1 assume !(1 == ~e_c~0); 12164#L654-1 assume !(1 == ~e_wl~0); 12162#L659-1 assume 0 == ~wl_st~0; 12161#L676-1 assume !false; 11463#L546 [2022-10-17 10:50:29,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:29,586 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 2 times [2022-10-17 10:50:29,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:29,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53189218] [2022-10-17 10:50:29,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:29,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:29,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:29,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:29,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:29,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1766031718, now seen corresponding path program 1 times [2022-10-17 10:50:29,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:29,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795211251] [2022-10-17 10:50:29,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:29,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:29,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:29,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:29,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:29,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1128637889, now seen corresponding path program 1 times [2022-10-17 10:50:29,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:29,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981798248] [2022-10-17 10:50:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:29,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:29,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:29,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981798248] [2022-10-17 10:50:29,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981798248] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:29,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:29,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883994507] [2022-10-17 10:50:29,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:29,842 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:50:29,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:50:29,842 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:50:29,842 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:50:29,843 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:50:29,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:29,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:50:29,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:50:29,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration11_Loop [2022-10-17 10:50:29,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:50:29,843 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:50:29,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,858 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,867 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,878 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,885 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,887 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,889 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,891 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:29,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,135 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:50:30,135 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:50:30,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,139 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:30,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:30,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:50:30,181 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:30,181 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:30,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,217 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:30,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:30,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:50:30,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:30,253 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:30,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,289 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:30,291 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:30,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:50:30,312 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:50:30,313 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet6#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:50:30,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,349 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:50:30,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:30,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:50:30,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,417 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:50:30,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:50:30,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:50:30,440 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:50:30,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,477 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:50:30,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:50:30,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:50:30,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:50:30,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:50:30,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:50:30,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:50:30,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration11_Loop [2022-10-17 10:50:30,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:50:30,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:50:30,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,487 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,491 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:50:30,769 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:50:30,769 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:50:30,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,770 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:30,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:30,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:30,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:30,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:50:30,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:30,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:50:30,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:30,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:50:30,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:30,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,839 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:30,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:30,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:30,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:30,850 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:50:30,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:30,851 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:50:30,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:30,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:50:30,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:30,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,882 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:50:30,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:30,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:30,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:30,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:30,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:50:30,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:30,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:50:30,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:30,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:50:30,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,915 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:50:30,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:50:30,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:50:30,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:50:30,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:50:30,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:50:30,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:50:30,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:50:30,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:50:30,935 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:50:30,937 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:50:30,937 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:50:30,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:50:30,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:30,938 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:30,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:50:30,939 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:50:30,939 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:50:30,939 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:50:30,939 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2022-10-17 10:50:30,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:30,959 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:50:30,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:31,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:50:31,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:50:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:31,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:50:31,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:50:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:31,119 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-10-17 10:50:31,119 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1241 states and 1961 transitions. cyclomatic complexity: 725 Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:31,163 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1241 states and 1961 transitions. cyclomatic complexity: 725. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3166 states and 4998 transitions. Complement of second has 5 states. [2022-10-17 10:50:31,163 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 [2022-10-17 10:50:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2022-10-17 10:50:31,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 197 transitions. Stem has 25 letters. Loop has 29 letters. [2022-10-17 10:50:31,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:31,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 197 transitions. Stem has 54 letters. Loop has 29 letters. [2022-10-17 10:50:31,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:31,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 197 transitions. Stem has 25 letters. Loop has 58 letters. [2022-10-17 10:50:31,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:50:31,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3166 states and 4998 transitions. [2022-10-17 10:50:31,195 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1320 [2022-10-17 10:50:31,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3166 states to 3166 states and 4998 transitions. [2022-10-17 10:50:31,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1384 [2022-10-17 10:50:31,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1401 [2022-10-17 10:50:31,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3166 states and 4998 transitions. [2022-10-17 10:50:31,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:31,226 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3166 states and 4998 transitions. [2022-10-17 10:50:31,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states and 4998 transitions. [2022-10-17 10:50:31,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3149. [2022-10-17 10:50:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 3149 states have (on average 1.577961257542077) internal successors, (4969), 3148 states have internal predecessors, (4969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4969 transitions. [2022-10-17 10:50:31,305 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3149 states and 4969 transitions. [2022-10-17 10:50:31,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:31,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:31,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:31,306 INFO L87 Difference]: Start difference. First operand 3149 states and 4969 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:31,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:31,346 INFO L93 Difference]: Finished difference Result 3149 states and 4917 transitions. [2022-10-17 10:50:31,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3149 states and 4917 transitions. [2022-10-17 10:50:31,397 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1320 [2022-10-17 10:50:31,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3149 states to 3149 states and 4917 transitions. [2022-10-17 10:50:31,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1384 [2022-10-17 10:50:31,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1384 [2022-10-17 10:50:31,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3149 states and 4917 transitions. [2022-10-17 10:50:31,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:31,457 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3149 states and 4917 transitions. [2022-10-17 10:50:31,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-10-17 10:50:31,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states and 4917 transitions. [2022-10-17 10:50:31,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3149. [2022-10-17 10:50:31,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 3149 states have (on average 1.5614480787551603) internal successors, (4917), 3148 states have internal predecessors, (4917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4917 transitions. [2022-10-17 10:50:31,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3149 states and 4917 transitions. [2022-10-17 10:50:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:31,537 INFO L428 stractBuchiCegarLoop]: Abstraction has 3149 states and 4917 transitions. [2022-10-17 10:50:31,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-10-17 10:50:31,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3149 states and 4917 transitions. [2022-10-17 10:50:31,558 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1320 [2022-10-17 10:50:31,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:31,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:31,560 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:31,560 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:31,560 INFO L748 eck$LassoCheckResult]: Stem: 22179#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 22024#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 22025#L408 assume !(1 == ~c_req_up~0); 21959#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 22205#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 22187#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 22188#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 22201#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 22200#L439-1 assume !(0 == ~e_f~0); 21908#L444-1 assume !(0 == ~e_g~0); 21909#L449-1 assume !(0 == ~e_e~0); 22075#L454-1 assume !(0 == ~e_c~0); 22076#L459-1 assume !(0 == ~e_wl~0); 22173#L464-1 assume !(1 == ~wl_pc~0); 22212#L476 assume !(2 == ~wl_pc~0); 22211#L477 assume !(1 == ~c1_pc~0); 21949#L487 assume !(1 == ~c2_pc~0); 21951#L496 assume !(1 == ~wb_pc~0); 21990#L505 assume !(1 == ~e_c~0); 21991#L514-1 assume !(1 == ~e_e~0); 22015#L519-1 assume !(1 == ~e_f~0); 22026#L524-1 assume !(1 == ~e_g~0); 22027#L529-1 assume !(1 == ~e_c~0); 21902#L534-1 assume !(1 == ~e_wl~0); 21903#L676-1 assume !false; 22631#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 24429#L381 [2022-10-17 10:50:31,566 INFO L750 eck$LassoCheckResult]: Loop: 24429#L381 assume !false; 24586#L299 assume 0 == ~wl_st~0; 24585#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 22111#L325 assume !(0 != eval_~tmp~0#1); 22112#L321 assume !(0 == ~c1_st~0); 24521#L336 assume !(0 == ~c2_st~0); 24517#L351 assume !(0 == ~wb_st~0); 24513#L366 assume !(0 == ~r_st~0); 24429#L381 [2022-10-17 10:50:31,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:31,567 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-10-17 10:50:31,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:31,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805356993] [2022-10-17 10:50:31,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:31,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:31,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:31,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:31,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:31,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1282723830, now seen corresponding path program 1 times [2022-10-17 10:50:31,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:31,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497607812] [2022-10-17 10:50:31,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:31,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:31,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:31,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:31,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:31,601 INFO L85 PathProgramCache]: Analyzing trace with hash 363769326, now seen corresponding path program 1 times [2022-10-17 10:50:31,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:31,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025195847] [2022-10-17 10:50:31,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:31,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:31,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:31,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025195847] [2022-10-17 10:50:31,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025195847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:31,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:31,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:31,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113163656] [2022-10-17 10:50:31,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:31,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:31,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:31,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:31,685 INFO L87 Difference]: Start difference. First operand 3149 states and 4917 transitions. cyclomatic complexity: 1783 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:31,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:31,728 INFO L93 Difference]: Finished difference Result 4634 states and 7109 transitions. [2022-10-17 10:50:31,728 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4634 states and 7109 transitions. [2022-10-17 10:50:31,758 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1978 [2022-10-17 10:50:31,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4634 states to 4634 states and 7109 transitions. [2022-10-17 10:50:31,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2042 [2022-10-17 10:50:31,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2042 [2022-10-17 10:50:31,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4634 states and 7109 transitions. [2022-10-17 10:50:31,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:31,796 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4634 states and 7109 transitions. [2022-10-17 10:50:31,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4634 states and 7109 transitions. [2022-10-17 10:50:31,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4634 to 4616. [2022-10-17 10:50:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4616 states, 4616 states have (on average 1.5361785095320624) internal successors, (7091), 4615 states have internal predecessors, (7091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4616 states to 4616 states and 7091 transitions. [2022-10-17 10:50:31,955 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4616 states and 7091 transitions. [2022-10-17 10:50:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:31,956 INFO L428 stractBuchiCegarLoop]: Abstraction has 4616 states and 7091 transitions. [2022-10-17 10:50:31,956 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-10-17 10:50:31,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4616 states and 7091 transitions. [2022-10-17 10:50:31,978 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1970 [2022-10-17 10:50:31,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:31,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:31,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:31,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:31,980 INFO L748 eck$LassoCheckResult]: Stem: 29979#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 29817#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 29818#L408 assume !(1 == ~c_req_up~0); 29749#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 30000#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 29985#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 29986#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 29997#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 29996#L439-1 assume !(0 == ~e_f~0); 29699#L444-1 assume !(0 == ~e_g~0); 29700#L449-1 assume !(0 == ~e_e~0); 29868#L454-1 assume !(0 == ~e_c~0); 29869#L459-1 assume !(0 == ~e_wl~0); 29971#L464-1 assume !(1 == ~wl_pc~0); 30007#L476 assume !(2 == ~wl_pc~0); 30006#L477 assume !(1 == ~c1_pc~0); 29739#L487 assume !(1 == ~c2_pc~0); 29741#L496 assume !(1 == ~wb_pc~0); 29781#L505 assume !(1 == ~e_c~0); 29782#L514-1 assume !(1 == ~e_e~0); 29806#L519-1 assume !(1 == ~e_f~0); 29819#L524-1 assume !(1 == ~e_g~0); 29820#L529-1 assume !(1 == ~e_c~0); 29994#L534-1 assume !(1 == ~e_wl~0); 31210#L676-1 assume !false; 31211#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 32227#L381 [2022-10-17 10:50:31,980 INFO L750 eck$LassoCheckResult]: Loop: 32227#L381 assume !false; 32594#L299 assume 0 == ~wl_st~0; 32589#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 32587#L325 assume !(0 != eval_~tmp~0#1); 29894#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 29895#L340 assume !(0 != eval_~tmp___0~0#1); 29968#L336 assume !(0 == ~c2_st~0); 33852#L351 assume !(0 == ~wb_st~0); 32601#L366 assume !(0 == ~r_st~0); 32227#L381 [2022-10-17 10:50:31,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:31,981 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-10-17 10:50:31,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:31,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774359004] [2022-10-17 10:50:31,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:31,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:32,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:32,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:32,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1058006530, now seen corresponding path program 1 times [2022-10-17 10:50:32,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:32,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320996971] [2022-10-17 10:50:32,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:32,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:32,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:32,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:32,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:32,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1659779318, now seen corresponding path program 1 times [2022-10-17 10:50:32,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:32,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822178655] [2022-10-17 10:50:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:32,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:32,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822178655] [2022-10-17 10:50:32,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822178655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:32,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:32,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:32,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006650578] [2022-10-17 10:50:32,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:32,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:32,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:32,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:32,100 INFO L87 Difference]: Start difference. First operand 4616 states and 7091 transitions. cyclomatic complexity: 2490 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:32,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:32,155 INFO L93 Difference]: Finished difference Result 7194 states and 10846 transitions. [2022-10-17 10:50:32,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7194 states and 10846 transitions. [2022-10-17 10:50:32,194 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3096 [2022-10-17 10:50:32,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7194 states to 7194 states and 10846 transitions. [2022-10-17 10:50:32,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3210 [2022-10-17 10:50:32,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3210 [2022-10-17 10:50:32,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7194 states and 10846 transitions. [2022-10-17 10:50:32,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:32,266 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7194 states and 10846 transitions. [2022-10-17 10:50:32,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7194 states and 10846 transitions. [2022-10-17 10:50:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7194 to 7158. [2022-10-17 10:50:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7158 states, 7158 states have (on average 1.5101983794355964) internal successors, (10810), 7157 states have internal predecessors, (10810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7158 states to 7158 states and 10810 transitions. [2022-10-17 10:50:32,508 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7158 states and 10810 transitions. [2022-10-17 10:50:32,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:32,509 INFO L428 stractBuchiCegarLoop]: Abstraction has 7158 states and 10810 transitions. [2022-10-17 10:50:32,509 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-10-17 10:50:32,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7158 states and 10810 transitions. [2022-10-17 10:50:32,534 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3080 [2022-10-17 10:50:32,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:32,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:32,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:32,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:32,535 INFO L748 eck$LassoCheckResult]: Stem: 41794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 41635#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 41636#L408 assume !(1 == ~c_req_up~0); 41568#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 41803#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 41804#L424-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 41823#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 41820#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 41821#L439-1 assume !(0 == ~e_f~0); 41517#L444-1 assume !(0 == ~e_g~0); 41518#L449-1 assume !(0 == ~e_e~0); 41689#L454-1 assume !(0 == ~e_c~0); 41690#L459-1 assume !(0 == ~e_wl~0); 41841#L464-1 assume !(1 == ~wl_pc~0); 41840#L476 assume !(2 == ~wl_pc~0); 41835#L477 assume !(1 == ~c1_pc~0); 41558#L487 assume !(1 == ~c2_pc~0); 41560#L496 assume !(1 == ~wb_pc~0); 41599#L505 assume !(1 == ~e_c~0); 41600#L514-1 assume !(1 == ~e_e~0); 41624#L519-1 assume !(1 == ~e_f~0); 41637#L524-1 assume !(1 == ~e_g~0); 41638#L529-1 assume !(1 == ~e_c~0); 44712#L534-1 assume !(1 == ~e_wl~0); 45271#L676-1 assume !false; 45268#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 45262#L381 [2022-10-17 10:50:32,535 INFO L750 eck$LassoCheckResult]: Loop: 45262#L381 assume !false; 45260#L299 assume 0 == ~wl_st~0; 45258#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 45255#L325 assume !(0 != eval_~tmp~0#1); 44250#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 44246#L340 assume !(0 != eval_~tmp___0~0#1); 44241#L336 assume !(0 == ~c2_st~0); 44242#L351 assume !(0 == ~wb_st~0); 45266#L366 assume !(0 == ~r_st~0); 45262#L381 [2022-10-17 10:50:32,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:32,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-10-17 10:50:32,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:32,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064578474] [2022-10-17 10:50:32,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:32,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:32,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:32,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064578474] [2022-10-17 10:50:32,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064578474] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:32,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:32,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:32,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692100465] [2022-10-17 10:50:32,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:32,575 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:50:32,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:32,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1058006530, now seen corresponding path program 2 times [2022-10-17 10:50:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:32,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286016215] [2022-10-17 10:50:32,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:32,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:32,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:32,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:32,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:32,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:32,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:32,630 INFO L87 Difference]: Start difference. First operand 7158 states and 10810 transitions. cyclomatic complexity: 3667 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:32,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:32,666 INFO L93 Difference]: Finished difference Result 7106 states and 10723 transitions. [2022-10-17 10:50:32,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7106 states and 10723 transitions. [2022-10-17 10:50:32,766 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3080 [2022-10-17 10:50:32,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7106 states to 7106 states and 10723 transitions. [2022-10-17 10:50:32,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3144 [2022-10-17 10:50:32,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3144 [2022-10-17 10:50:32,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7106 states and 10723 transitions. [2022-10-17 10:50:32,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:32,807 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7106 states and 10723 transitions. [2022-10-17 10:50:32,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7106 states and 10723 transitions. [2022-10-17 10:50:32,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7106 to 7106. [2022-10-17 10:50:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 7106 states have (on average 1.5090064734027582) internal successors, (10723), 7105 states have internal predecessors, (10723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10723 transitions. [2022-10-17 10:50:33,020 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7106 states and 10723 transitions. [2022-10-17 10:50:33,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:33,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 7106 states and 10723 transitions. [2022-10-17 10:50:33,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-10-17 10:50:33,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7106 states and 10723 transitions. [2022-10-17 10:50:33,062 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3080 [2022-10-17 10:50:33,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:33,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:33,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:33,081 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:33,081 INFO L748 eck$LassoCheckResult]: Stem: 56066#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 55909#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 55910#L408 assume !(1 == ~c_req_up~0); 56033#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 56034#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 56077#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 55970#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 55971#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 56067#L439-1 assume !(0 == ~e_f~0); 55787#L444-1 assume !(0 == ~e_g~0); 55788#L449-1 assume !(0 == ~e_e~0); 55959#L454-1 assume !(0 == ~e_c~0); 55960#L459-1 assume !(0 == ~e_wl~0); 55853#L464-1 assume !(1 == ~wl_pc~0); 55854#L476 assume !(2 == ~wl_pc~0); 55850#L477 assume !(1 == ~c1_pc~0); 55852#L487 assume !(1 == ~c2_pc~0); 56035#L496 assume !(1 == ~wb_pc~0); 56036#L505 assume !(1 == ~e_c~0); 56094#L514-1 assume !(1 == ~e_e~0); 56089#L519-1 assume !(1 == ~e_f~0); 55913#L524-1 assume !(1 == ~e_g~0); 55914#L529-1 assume !(1 == ~e_c~0); 56088#L534-1 assume !(1 == ~e_wl~0); 57662#L676-1 assume !false; 57663#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 59759#L381 [2022-10-17 10:50:33,081 INFO L750 eck$LassoCheckResult]: Loop: 59759#L381 assume !false; 59757#L299 assume 0 == ~wl_st~0; 59754#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 59752#L325 assume !(0 != eval_~tmp~0#1); 59753#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 60023#L340 assume !(0 != eval_~tmp___0~0#1); 60022#L336 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 60000#L355 assume !(0 != eval_~tmp___1~0#1); 60021#L351 assume !(0 == ~wb_st~0); 59761#L366 assume !(0 == ~r_st~0); 59759#L381 [2022-10-17 10:50:33,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:33,082 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-10-17 10:50:33,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:33,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261295993] [2022-10-17 10:50:33,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:33,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:33,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1563186686, now seen corresponding path program 1 times [2022-10-17 10:50:33,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:33,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602467458] [2022-10-17 10:50:33,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:33,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,135 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:33,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:33,135 INFO L85 PathProgramCache]: Analyzing trace with hash 84797946, now seen corresponding path program 1 times [2022-10-17 10:50:33,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:33,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727479731] [2022-10-17 10:50:33,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:33,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:50:33,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:33,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727479731] [2022-10-17 10:50:33,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727479731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:33,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:33,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:50:33,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610503270] [2022-10-17 10:50:33,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:33,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:33,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:50:33,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:50:33,303 INFO L87 Difference]: Start difference. First operand 7106 states and 10723 transitions. cyclomatic complexity: 3632 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:33,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:33,452 INFO L93 Difference]: Finished difference Result 12263 states and 18336 transitions. [2022-10-17 10:50:33,452 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12263 states and 18336 transitions. [2022-10-17 10:50:33,518 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 5356 [2022-10-17 10:50:33,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12263 states to 12263 states and 18336 transitions. [2022-10-17 10:50:33,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5422 [2022-10-17 10:50:33,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5422 [2022-10-17 10:50:33,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12263 states and 18336 transitions. [2022-10-17 10:50:33,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:50:33,595 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12263 states and 18336 transitions. [2022-10-17 10:50:33,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12263 states and 18336 transitions. [2022-10-17 10:50:33,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12263 to 12263. [2022-10-17 10:50:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12263 states, 12263 states have (on average 1.4952295523118324) internal successors, (18336), 12262 states have internal predecessors, (18336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:50:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12263 states to 12263 states and 18336 transitions. [2022-10-17 10:50:33,924 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12263 states and 18336 transitions. [2022-10-17 10:50:33,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:50:33,925 INFO L428 stractBuchiCegarLoop]: Abstraction has 12263 states and 18336 transitions. [2022-10-17 10:50:33,925 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-10-17 10:50:33,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12263 states and 18336 transitions. [2022-10-17 10:50:33,963 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 5356 [2022-10-17 10:50:33,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:50:33,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:50:33,963 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:33,964 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:33,964 INFO L748 eck$LassoCheckResult]: Stem: 75454#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 75282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 75283#L408 assume !(1 == ~c_req_up~0); 75415#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 75416#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 75467#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 75346#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 75347#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 75455#L439-1 assume !(0 == ~e_f~0); 75164#L444-1 assume !(0 == ~e_g~0); 75165#L449-1 assume !(0 == ~e_e~0); 75334#L454-1 assume !(0 == ~e_c~0); 75335#L459-1 assume !(0 == ~e_wl~0); 75228#L464-1 assume !(1 == ~wl_pc~0); 75229#L476 assume !(2 == ~wl_pc~0); 75225#L477 assume !(1 == ~c1_pc~0); 75227#L487 assume !(1 == ~c2_pc~0); 75417#L496 assume !(1 == ~wb_pc~0); 75418#L505 assume !(1 == ~e_c~0); 75484#L514-1 assume !(1 == ~e_e~0); 75478#L519-1 assume !(1 == ~e_f~0); 75286#L524-1 assume !(1 == ~e_g~0); 75287#L529-1 assume !(1 == ~e_c~0); 75158#L534-1 assume !(1 == ~e_wl~0); 75159#L676-1 assume !false; 77686#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 79975#L381 [2022-10-17 10:50:33,964 INFO L750 eck$LassoCheckResult]: Loop: 79975#L381 assume !false; 80367#L299 assume 0 == ~wl_st~0; 80365#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 80256#L325 assume !(0 != eval_~tmp~0#1); 80257#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 80511#L340 assume !(0 != eval_~tmp___0~0#1); 80509#L336 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 80493#L355 assume !(0 != eval_~tmp___1~0#1); 80505#L351 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 80317#L370 assume !(0 != eval_~tmp___2~0#1); 80473#L366 assume !(0 == ~r_st~0); 79975#L381 [2022-10-17 10:50:33,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:33,965 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2022-10-17 10:50:33,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:33,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069226746] [2022-10-17 10:50:33,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:33,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:33,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:33,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1214182410, now seen corresponding path program 1 times [2022-10-17 10:50:33,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:33,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101264211] [2022-10-17 10:50:33,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:33,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:33,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:33,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1666266370, now seen corresponding path program 1 times [2022-10-17 10:50:33,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:33,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334935224] [2022-10-17 10:50:33,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:33,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:33,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:34,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:50:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:35,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:50:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:50:35,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:50:35 BoogieIcfgContainer [2022-10-17 10:50:35,235 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:50:35,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:50:35,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:50:35,236 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:50:35,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:23" (3/4) ... [2022-10-17 10:50:35,238 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-10-17 10:50:35,308 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:50:35,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:50:35,309 INFO L158 Benchmark]: Toolchain (without parser) took 13530.29ms. Allocated memory was 102.8MB in the beginning and 341.8MB in the end (delta: 239.1MB). Free memory was 61.5MB in the beginning and 129.3MB in the end (delta: -67.8MB). Peak memory consumption was 170.7MB. Max. memory is 16.1GB. [2022-10-17 10:50:35,309 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:50:35,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.09ms. Allocated memory is still 102.8MB. Free memory was 61.3MB in the beginning and 71.2MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:50:35,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.36ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 68.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:50:35,311 INFO L158 Benchmark]: Boogie Preprocessor took 64.20ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 66.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:50:35,311 INFO L158 Benchmark]: RCFGBuilder took 797.83ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 43.9MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-10-17 10:50:35,311 INFO L158 Benchmark]: BuchiAutomizer took 12111.52ms. Allocated memory was 102.8MB in the beginning and 341.8MB in the end (delta: 239.1MB). Free memory was 43.7MB in the beginning and 134.5MB in the end (delta: -90.9MB). Peak memory consumption was 149.8MB. Max. memory is 16.1GB. [2022-10-17 10:50:35,312 INFO L158 Benchmark]: Witness Printer took 73.32ms. Allocated memory is still 341.8MB. Free memory was 134.5MB in the beginning and 129.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:50:35,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.09ms. Allocated memory is still 102.8MB. Free memory was 61.3MB in the beginning and 71.2MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.36ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 68.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.20ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 66.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.83ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 43.9MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 12111.52ms. Allocated memory was 102.8MB in the beginning and 341.8MB in the end (delta: 239.1MB). Free memory was 43.7MB in the beginning and 134.5MB in the end (delta: -90.9MB). Peak memory consumption was 149.8MB. Max. memory is 16.1GB. * Witness Printer took 73.32ms. Allocated memory is still 341.8MB. Free memory was 134.5MB in the beginning and 129.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 18 terminating modules (15 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_e + 1 and consists of 3 locations. 15 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 12263 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.9s and 16 iterations. TraceHistogramMax:1. Analysis of lassos took 7.7s. Construction of modules took 0.3s. Büchi inclusion checks took 3.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 13. Automata minimization 1.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 1389 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.7s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3826 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3823 mSDsluCounter, 7046 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2603 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 305 IncrementalHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 4443 mSDtfsCounter, 305 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT1 SILN1 SILU0 SILI6 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital81 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq182 hnf98 smp100 dnf190 smp75 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 298]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L714] CALL start_simulation() [L404] int kernel_st ; [L407] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L408] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L444] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L449] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L454] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L459] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L464] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L469] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L487] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L496] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L505] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L514] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L519] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L524] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L529] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L534] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L539] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L545] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L548] kernel_st = 1 [L549] CALL eval() [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L298] COND TRUE 1 [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 298]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L714] CALL start_simulation() [L404] int kernel_st ; [L407] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L408] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L444] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L449] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L454] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L459] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L464] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L469] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L487] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L496] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L505] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L514] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L519] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L524] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L529] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L534] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L539] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L545] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L548] kernel_st = 1 [L549] CALL eval() [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L298] COND TRUE 1 [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 10:50:35,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3191659b-f511-4ea3-917f-d7594bd43acd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)