./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy2.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy2.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN --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 a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 --- 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-6b4ec56 [2022-11-20 11:10:43,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:10:43,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:10:43,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:10:43,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:10:43,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:10:43,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:10:43,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:10:43,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:10:43,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:10:43,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:10:43,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:10:43,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:10:43,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:10:43,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:10:43,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:10:43,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:10:43,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:10:43,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:10:43,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:10:43,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:10:43,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:10:43,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:10:43,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:10:43,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:10:43,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:10:43,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:10:43,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:10:43,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:10:43,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:10:43,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:10:43,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:10:43,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:10:43,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:10:43,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:10:43,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:10:43,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:10:43,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:10:43,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:10:43,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:10:43,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:10:43,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 11:10:43,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:10:43,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:10:43,557 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:10:43,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:10:43,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:10:43,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:10:43,569 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:10:43,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:10:43,569 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:10:43,570 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:10:43,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:10:43,570 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:10:43,570 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:10:43,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:10:43,571 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:10:43,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:10:43,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:10:43,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:10:43,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:10:43,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:10:43,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:10:43,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:10:43,573 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:10:43,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:10:43,573 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:10:43,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:10:43,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:10:43,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:10:43,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:10:43,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:10:43,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:10:43,576 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:10:43,576 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_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 [2022-11-20 11:10:43,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:10:44,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:10:44,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:10:44,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:10:44,033 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:10:44,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/systemc/toy2.cil.c [2022-11-20 11:10:47,704 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:10:48,013 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:10:48,014 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/sv-benchmarks/c/systemc/toy2.cil.c [2022-11-20 11:10:48,026 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/data/8684556bb/0b2500513e154ed0aa7b61a1d4277305/FLAG380a4cf4d [2022-11-20 11:10:48,044 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/data/8684556bb/0b2500513e154ed0aa7b61a1d4277305 [2022-11-20 11:10:48,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:10:48,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:10:48,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:10:48,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:10:48,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:10:48,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@946c9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48, skipping insertion in model container [2022-11-20 11:10:48,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:10:48,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:10:48,268 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/sv-benchmarks/c/systemc/toy2.cil.c[698,711] [2022-11-20 11:10:48,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:10:48,364 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:10:48,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/sv-benchmarks/c/systemc/toy2.cil.c[698,711] [2022-11-20 11:10:48,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:10:48,509 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:10:48,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48 WrapperNode [2022-11-20 11:10:48,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:10:48,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:10:48,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:10:48,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:10:48,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,566 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 356 [2022-11-20 11:10:48,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:10:48,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:10:48,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:10:48,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:10:48,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,601 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:10:48,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:10:48,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:10:48,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:10:48,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (1/1) ... [2022-11-20 11:10:48,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:48,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:48,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:48,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:10:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:10:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:10:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:10:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:10:48,855 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:10:48,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:10:49,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:10:49,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:10:49,489 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 11:10:49,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:49 BoogieIcfgContainer [2022-11-20 11:10:49,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:10:49,500 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:10:49,500 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:10:49,505 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:10:49,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:10:49,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:10:48" (1/3) ... [2022-11-20 11:10:49,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ad0fb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:10:49, skipping insertion in model container [2022-11-20 11:10:49,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:10:49,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:48" (2/3) ... [2022-11-20 11:10:49,509 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ad0fb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:10:49, skipping insertion in model container [2022-11-20 11:10:49,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:10:49,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:49" (3/3) ... [2022-11-20 11:10:49,511 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy2.cil.c [2022-11-20 11:10:49,646 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:10:49,646 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:10:49,646 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:10:49,647 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:10:49,647 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:10:49,647 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:10:49,647 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:10:49,648 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:10:49,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:49,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 11:10:49,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:49,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:49,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:49,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:49,698 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:10:49,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:49,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 11:10:49,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:49,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:49,731 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] [2022-11-20 11:10:49,731 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:49,744 INFO L748 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 113#L404true assume !(1 == ~c_req_up~0); 66#L404-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 25#L415-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 55#L420-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 89#L425-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 43#L430-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 125#L435-1true assume !(0 == ~e_f~0); 31#L440-1true assume !(0 == ~e_g~0); 48#L445-1true assume !(0 == ~e_e~0); 51#L450-1true assume !(0 == ~e_c~0); 24#L455-1true assume !(0 == ~e_wl~0); 81#L460-1true assume !(1 == ~wl_pc~0); 38#L472true assume !(2 == ~wl_pc~0); 122#L473true assume !(1 == ~c1_pc~0); 103#L483true assume !(1 == ~c2_pc~0); 114#L492true assume !(1 == ~wb_pc~0); 57#L501true assume !(1 == ~e_c~0); 36#L510-1true assume !(1 == ~e_e~0); 26#L515-1true assume !(1 == ~e_f~0); 15#L520-1true assume !(1 == ~e_g~0); 49#L525-1true assume !(1 == ~e_c~0); 86#L530-1true assume !(1 == ~e_wl~0); 68#L672-1true [2022-11-20 11:10:49,746 INFO L750 eck$LassoCheckResult]: Loop: 68#L672-1true assume !false; 8#L542true 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; 127#L377true assume !true; 23#L393true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 67#L548true assume !(1 == ~c_req_up~0); 11#L548-2true start_simulation_~kernel_st~0#1 := 3; 28#L560true assume 0 == ~e_f~0;~e_f~0 := 1; 97#L560-2true assume 0 == ~e_g~0;~e_g~0 := 1; 19#L565-1true assume 0 == ~e_e~0;~e_e~0 := 1; 128#L570-1true assume 0 == ~e_c~0;~e_c~0 := 1; 39#L575-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 123#L580-1true assume 1 == ~wl_pc~0; 101#L586true assume 1 == ~e_wl~0;~wl_st~0 := 0; 84#L593true assume !(1 == ~c1_pc~0); 115#L603true assume !(1 == ~c2_pc~0); 4#L612true assume !(1 == ~wb_pc~0); 65#L621true assume !(1 == ~e_c~0); 63#L630-1true assume 1 == ~e_e~0;~e_e~0 := 2; 130#L635-1true assume 1 == ~e_f~0;~e_f~0 := 2; 129#L640-1true assume 1 == ~e_g~0;~e_g~0 := 2; 111#L645-1true assume 1 == ~e_c~0;~e_c~0 := 2; 13#L650-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 44#L655-1true assume 0 == ~wl_st~0; 68#L672-1true [2022-11-20 11:10:49,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:49,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-11-20 11:10:49,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:49,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920701799] [2022-11-20 11:10:49,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:49,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:50,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:50,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920701799] [2022-11-20 11:10:50,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920701799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:50,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:50,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:50,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879850619] [2022-11-20 11:10:50,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:50,112 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:50,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:50,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1920133393, now seen corresponding path program 1 times [2022-11-20 11:10:50,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:50,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963554417] [2022-11-20 11:10:50,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:50,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:50,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:50,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963554417] [2022-11-20 11:10:50,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963554417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:50,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:50,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:10:50,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876797666] [2022-11-20 11:10:50,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:50,145 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:50,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:50,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:10:50,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:10:50,195 INFO L87 Difference]: Start difference. First operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:50,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:50,221 INFO L93 Difference]: Finished difference Result 129 states and 222 transitions. [2022-11-20 11:10:50,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 222 transitions. [2022-11-20 11:10:50,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-20 11:10:50,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 124 states and 217 transitions. [2022-11-20 11:10:50,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-20 11:10:50,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-20 11:10:50,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 217 transitions. [2022-11-20 11:10:50,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:50,242 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-20 11:10:50,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 217 transitions. [2022-11-20 11:10:50,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-20 11:10:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.75) internal successors, (217), 123 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 217 transitions. [2022-11-20 11:10:50,313 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-20 11:10:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:10:50,319 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-20 11:10:50,319 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:10:50,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 217 transitions. [2022-11-20 11:10:50,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-20 11:10:50,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:50,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:50,324 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:50,325 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:50,325 INFO L748 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 346#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; 347#L404 assume !(1 == ~c_req_up~0); 367#L404-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 314#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 315#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 360#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 343#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 344#L435-1 assume !(0 == ~e_f~0); 323#L440-1 assume !(0 == ~e_g~0); 324#L445-1 assume !(0 == ~e_e~0); 350#L450-1 assume !(0 == ~e_c~0); 312#L455-1 assume !(0 == ~e_wl~0); 313#L460-1 assume !(1 == ~wl_pc~0); 332#L472 assume !(2 == ~wl_pc~0); 333#L473 assume !(1 == ~c1_pc~0); 384#L483 assume !(1 == ~c2_pc~0); 298#L492 assume !(1 == ~wb_pc~0); 349#L501 assume !(1 == ~e_c~0); 330#L510-1 assume !(1 == ~e_e~0); 316#L515-1 assume !(1 == ~e_f~0); 295#L520-1 assume !(1 == ~e_g~0); 296#L525-1 assume !(1 == ~e_c~0); 351#L530-1 assume !(1 == ~e_wl~0); 293#L672-1 [2022-11-20 11:10:50,325 INFO L750 eck$LassoCheckResult]: Loop: 293#L672-1 assume !false; 281#L542 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; 269#L377 assume !false; 276#L295 assume !(0 == ~wl_st~0); 278#L299 assume !(0 == ~c1_st~0); 342#L302 assume !(0 == ~c2_st~0); 368#L305 assume !(0 == ~wb_st~0); 288#L308 assume !(0 == ~r_st~0); 289#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 311#L548 assume !(1 == ~c_req_up~0); 286#L548-2 start_simulation_~kernel_st~0#1 := 3; 287#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 319#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 305#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 306#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 338#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 339#L580-1 assume !(1 == ~wl_pc~0); 308#L592 assume !(2 == ~wl_pc~0); 309#L593 assume !(1 == ~c1_pc~0); 359#L603 assume !(1 == ~c2_pc~0); 270#L612 assume !(1 == ~wb_pc~0); 272#L621 assume !(1 == ~e_c~0); 364#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 365#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 391#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 388#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 290#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 291#L655-1 assume 0 == ~wl_st~0; 293#L672-1 [2022-11-20 11:10:50,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:50,327 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-11-20 11:10:50,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:50,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419287757] [2022-11-20 11:10:50,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:50,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:50,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:50,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419287757] [2022-11-20 11:10:50,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419287757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:50,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:50,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:50,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171253210] [2022-11-20 11:10:50,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:50,482 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:50,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:50,483 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 1 times [2022-11-20 11:10:50,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:50,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104734473] [2022-11-20 11:10:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:50,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:50,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:50,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104734473] [2022-11-20 11:10:50,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104734473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:50,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:50,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:50,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215171164] [2022-11-20 11:10:50,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:50,554 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:50,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:50,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:10:50,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:10:50,556 INFO L87 Difference]: Start difference. First operand 124 states and 217 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:50,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:50,586 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2022-11-20 11:10:50,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 216 transitions. [2022-11-20 11:10:50,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-20 11:10:50,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 216 transitions. [2022-11-20 11:10:50,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-20 11:10:50,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-20 11:10:50,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 216 transitions. [2022-11-20 11:10:50,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:50,594 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-20 11:10:50,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 216 transitions. [2022-11-20 11:10:50,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-20 11:10:50,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7419354838709677) internal successors, (216), 123 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:50,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 216 transitions. [2022-11-20 11:10:50,604 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-20 11:10:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:10:50,606 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-20 11:10:50,607 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:10:50,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 216 transitions. [2022-11-20 11:10:50,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-20 11:10:50,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:50,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:50,611 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:50,611 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:50,612 INFO L748 eck$LassoCheckResult]: Stem: 644#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 601#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; 602#L404 assume !(1 == ~c_req_up~0); 622#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 569#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 570#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 615#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 598#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 599#L435-1 assume !(0 == ~e_f~0); 578#L440-1 assume !(0 == ~e_g~0); 579#L445-1 assume !(0 == ~e_e~0); 605#L450-1 assume !(0 == ~e_c~0); 567#L455-1 assume !(0 == ~e_wl~0); 568#L460-1 assume !(1 == ~wl_pc~0); 587#L472 assume !(2 == ~wl_pc~0); 588#L473 assume !(1 == ~c1_pc~0); 639#L483 assume !(1 == ~c2_pc~0); 553#L492 assume !(1 == ~wb_pc~0); 604#L501 assume !(1 == ~e_c~0); 585#L510-1 assume !(1 == ~e_e~0); 571#L515-1 assume !(1 == ~e_f~0); 550#L520-1 assume !(1 == ~e_g~0); 551#L525-1 assume !(1 == ~e_c~0); 606#L530-1 assume !(1 == ~e_wl~0); 548#L672-1 [2022-11-20 11:10:50,612 INFO L750 eck$LassoCheckResult]: Loop: 548#L672-1 assume !false; 536#L542 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; 524#L377 assume !false; 531#L295 assume !(0 == ~wl_st~0); 533#L299 assume !(0 == ~c1_st~0); 597#L302 assume !(0 == ~c2_st~0); 623#L305 assume !(0 == ~wb_st~0); 543#L308 assume !(0 == ~r_st~0); 544#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 566#L548 assume !(1 == ~c_req_up~0); 541#L548-2 start_simulation_~kernel_st~0#1 := 3; 542#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 574#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 560#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 561#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 593#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 594#L580-1 assume !(1 == ~wl_pc~0); 563#L592 assume !(2 == ~wl_pc~0); 564#L593 assume !(1 == ~c1_pc~0); 614#L603 assume !(1 == ~c2_pc~0); 525#L612 assume !(1 == ~wb_pc~0); 527#L621 assume !(1 == ~e_c~0); 619#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 620#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 646#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 643#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 545#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 546#L655-1 assume 0 == ~wl_st~0; 548#L672-1 [2022-11-20 11:10:50,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:50,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-11-20 11:10:50,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:50,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984897859] [2022-11-20 11:10:50,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:50,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:50,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:50,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:50,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984897859] [2022-11-20 11:10:50,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984897859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:50,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:50,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:50,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874101956] [2022-11-20 11:10:50,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:50,694 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:50,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:50,695 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 2 times [2022-11-20 11:10:50,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:50,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571047232] [2022-11-20 11:10:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:50,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:50,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:50,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571047232] [2022-11-20 11:10:50,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571047232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:50,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:50,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:50,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710328481] [2022-11-20 11:10:50,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:50,739 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:50,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:50,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:10:50,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:10:50,741 INFO L87 Difference]: Start difference. First operand 124 states and 216 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:50,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:50,770 INFO L93 Difference]: Finished difference Result 124 states and 215 transitions. [2022-11-20 11:10:50,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 215 transitions. [2022-11-20 11:10:50,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-20 11:10:50,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 215 transitions. [2022-11-20 11:10:50,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-20 11:10:50,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-20 11:10:50,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 215 transitions. [2022-11-20 11:10:50,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:50,789 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-20 11:10:50,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 215 transitions. [2022-11-20 11:10:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-20 11:10:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 123 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 215 transitions. [2022-11-20 11:10:50,811 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-20 11:10:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:10:50,813 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-20 11:10:50,813 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 11:10:50,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 215 transitions. [2022-11-20 11:10:50,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-20 11:10:50,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:50,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:50,817 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:50,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:50,818 INFO L748 eck$LassoCheckResult]: Stem: 899#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 856#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; 857#L404 assume !(1 == ~c_req_up~0); 877#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 824#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 825#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 870#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 853#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 854#L435-1 assume !(0 == ~e_f~0); 833#L440-1 assume !(0 == ~e_g~0); 834#L445-1 assume !(0 == ~e_e~0); 860#L450-1 assume !(0 == ~e_c~0); 822#L455-1 assume !(0 == ~e_wl~0); 823#L460-1 assume !(1 == ~wl_pc~0); 842#L472 assume !(2 == ~wl_pc~0); 843#L473 assume !(1 == ~c1_pc~0); 894#L483 assume !(1 == ~c2_pc~0); 808#L492 assume !(1 == ~wb_pc~0); 859#L501 assume !(1 == ~e_c~0); 840#L510-1 assume !(1 == ~e_e~0); 826#L515-1 assume !(1 == ~e_f~0); 805#L520-1 assume !(1 == ~e_g~0); 806#L525-1 assume !(1 == ~e_c~0); 861#L530-1 assume !(1 == ~e_wl~0); 803#L672-1 [2022-11-20 11:10:50,818 INFO L750 eck$LassoCheckResult]: Loop: 803#L672-1 assume !false; 791#L542 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; 779#L377 assume !false; 786#L295 assume !(0 == ~wl_st~0); 788#L299 assume !(0 == ~c1_st~0); 852#L302 assume !(0 == ~c2_st~0); 878#L305 assume !(0 == ~wb_st~0); 798#L308 assume !(0 == ~r_st~0); 799#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 821#L548 assume !(1 == ~c_req_up~0); 796#L548-2 start_simulation_~kernel_st~0#1 := 3; 797#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 829#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 815#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 816#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 848#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 849#L580-1 assume !(1 == ~wl_pc~0); 818#L592 assume !(2 == ~wl_pc~0); 819#L593 assume !(1 == ~c1_pc~0); 869#L603 assume !(1 == ~c2_pc~0); 780#L612 assume !(1 == ~wb_pc~0); 782#L621 assume !(1 == ~e_c~0); 874#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 875#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 901#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 898#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 800#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 801#L655-1 assume 0 == ~wl_st~0; 803#L672-1 [2022-11-20 11:10:50,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:50,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-11-20 11:10:50,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:50,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142803768] [2022-11-20 11:10:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:50,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:50,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:50,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142803768] [2022-11-20 11:10:50,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142803768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:50,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:50,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:50,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044241479] [2022-11-20 11:10:50,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:50,870 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:50,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:50,871 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 3 times [2022-11-20 11:10:50,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:50,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789041791] [2022-11-20 11:10:50,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:50,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:50,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:50,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789041791] [2022-11-20 11:10:50,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789041791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:50,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:50,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:50,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121676897] [2022-11-20 11:10:50,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:50,907 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:50,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:50,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:10:50,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:10:50,909 INFO L87 Difference]: Start difference. First operand 124 states and 215 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:50,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:50,927 INFO L93 Difference]: Finished difference Result 124 states and 214 transitions. [2022-11-20 11:10:50,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 214 transitions. [2022-11-20 11:10:50,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-20 11:10:50,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 214 transitions. [2022-11-20 11:10:50,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-20 11:10:50,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-20 11:10:50,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 214 transitions. [2022-11-20 11:10:50,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:50,932 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-20 11:10:50,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 214 transitions. [2022-11-20 11:10:50,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-20 11:10:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7258064516129032) internal successors, (214), 123 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:50,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 214 transitions. [2022-11-20 11:10:50,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-20 11:10:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:10:50,942 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-20 11:10:50,942 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 11:10:50,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 214 transitions. [2022-11-20 11:10:50,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-20 11:10:50,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:50,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:50,945 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:50,945 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:50,946 INFO L748 eck$LassoCheckResult]: Stem: 1154#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1111#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; 1112#L404 assume !(1 == ~c_req_up~0); 1132#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1079#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1080#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1125#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1108#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1109#L435-1 assume !(0 == ~e_f~0); 1088#L440-1 assume !(0 == ~e_g~0); 1089#L445-1 assume !(0 == ~e_e~0); 1115#L450-1 assume !(0 == ~e_c~0); 1077#L455-1 assume !(0 == ~e_wl~0); 1078#L460-1 assume !(1 == ~wl_pc~0); 1097#L472 assume !(2 == ~wl_pc~0); 1098#L473 assume !(1 == ~c1_pc~0); 1149#L483 assume !(1 == ~c2_pc~0); 1063#L492 assume !(1 == ~wb_pc~0); 1114#L501 assume !(1 == ~e_c~0); 1095#L510-1 assume !(1 == ~e_e~0); 1081#L515-1 assume !(1 == ~e_f~0); 1060#L520-1 assume !(1 == ~e_g~0); 1061#L525-1 assume !(1 == ~e_c~0); 1116#L530-1 assume !(1 == ~e_wl~0); 1058#L672-1 [2022-11-20 11:10:50,946 INFO L750 eck$LassoCheckResult]: Loop: 1058#L672-1 assume !false; 1046#L542 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; 1034#L377 assume !false; 1041#L295 assume !(0 == ~wl_st~0); 1043#L299 assume !(0 == ~c1_st~0); 1107#L302 assume !(0 == ~c2_st~0); 1133#L305 assume !(0 == ~wb_st~0); 1053#L308 assume !(0 == ~r_st~0); 1054#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1076#L548 assume !(1 == ~c_req_up~0); 1051#L548-2 start_simulation_~kernel_st~0#1 := 3; 1052#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1084#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1070#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1071#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1103#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1104#L580-1 assume !(1 == ~wl_pc~0); 1073#L592 assume !(2 == ~wl_pc~0); 1074#L593 assume !(1 == ~c1_pc~0); 1124#L603 assume !(1 == ~c2_pc~0); 1035#L612 assume !(1 == ~wb_pc~0); 1037#L621 assume !(1 == ~e_c~0); 1129#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1130#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1156#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1153#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1055#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1056#L655-1 assume 0 == ~wl_st~0; 1058#L672-1 [2022-11-20 11:10:50,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:50,947 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-11-20 11:10:50,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:50,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071475504] [2022-11-20 11:10:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:50,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:50,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:10:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:51,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:10:51,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:51,007 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 4 times [2022-11-20 11:10:51,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:51,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632062638] [2022-11-20 11:10:51,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:51,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:51,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:51,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632062638] [2022-11-20 11:10:51,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632062638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:51,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:51,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:51,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117703898] [2022-11-20 11:10:51,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:51,041 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:51,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:51,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:10:51,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:10:51,043 INFO L87 Difference]: Start difference. First operand 124 states and 214 transitions. cyclomatic complexity: 91 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:51,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:51,094 INFO L93 Difference]: Finished difference Result 156 states and 274 transitions. [2022-11-20 11:10:51,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 274 transitions. [2022-11-20 11:10:51,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2022-11-20 11:10:51,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 274 transitions. [2022-11-20 11:10:51,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2022-11-20 11:10:51,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2022-11-20 11:10:51,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 274 transitions. [2022-11-20 11:10:51,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:51,100 INFO L218 hiAutomatonCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-20 11:10:51,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 274 transitions. [2022-11-20 11:10:51,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-20 11:10:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.7564102564102564) internal successors, (274), 155 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 274 transitions. [2022-11-20 11:10:51,110 INFO L240 hiAutomatonCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-20 11:10:51,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:10:51,111 INFO L428 stractBuchiCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-20 11:10:51,112 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 11:10:51,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 274 transitions. [2022-11-20 11:10:51,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2022-11-20 11:10:51,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:51,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:51,115 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:51,115 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:51,116 INFO L748 eck$LassoCheckResult]: Stem: 1441#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1397#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; 1398#L404 assume !(1 == ~c_req_up~0); 1419#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1365#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1366#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1412#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1394#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1395#L435-1 assume !(0 == ~e_f~0); 1374#L440-1 assume !(0 == ~e_g~0); 1375#L445-1 assume !(0 == ~e_e~0); 1401#L450-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1363#L455-1 assume !(0 == ~e_wl~0); 1364#L460-1 assume !(1 == ~wl_pc~0); 1383#L472 assume !(2 == ~wl_pc~0); 1384#L473 assume !(1 == ~c1_pc~0); 1436#L483 assume !(1 == ~c2_pc~0); 1349#L492 assume !(1 == ~wb_pc~0); 1400#L501 assume 1 == ~e_c~0;~r_st~0 := 0; 1381#L510-1 assume !(1 == ~e_e~0); 1367#L515-1 assume !(1 == ~e_f~0); 1346#L520-1 assume !(1 == ~e_g~0); 1347#L525-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1402#L530-1 assume !(1 == ~e_wl~0); 1344#L672-1 [2022-11-20 11:10:51,116 INFO L750 eck$LassoCheckResult]: Loop: 1344#L672-1 assume !false; 1332#L542 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; 1323#L377 assume !false; 1327#L295 assume !(0 == ~wl_st~0); 1329#L299 assume !(0 == ~c1_st~0); 1393#L302 assume !(0 == ~c2_st~0); 1420#L305 assume !(0 == ~wb_st~0); 1339#L308 assume !(0 == ~r_st~0); 1340#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1362#L548 assume !(1 == ~c_req_up~0); 1337#L548-2 start_simulation_~kernel_st~0#1 := 3; 1338#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1370#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1356#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1357#L570-1 assume !(0 == ~e_c~0); 1443#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1474#L580-1 assume 1 == ~wl_pc~0; 1472#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1469#L593 assume !(1 == ~c1_pc~0); 1468#L603 assume !(1 == ~c2_pc~0); 1466#L612 assume !(1 == ~wb_pc~0); 1464#L621 assume !(1 == ~e_c~0); 1463#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1462#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1444#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1445#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1341#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1342#L655-1 assume 0 == ~wl_st~0; 1344#L672-1 [2022-11-20 11:10:51,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:51,117 INFO L85 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2022-11-20 11:10:51,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:51,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758177705] [2022-11-20 11:10:51,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:51,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:51,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:51,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758177705] [2022-11-20 11:10:51,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758177705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:51,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:51,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:10:51,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517746962] [2022-11-20 11:10:51,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:51,253 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:51,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 1 times [2022-11-20 11:10:51,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:51,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197381123] [2022-11-20 11:10:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:51,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:51,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197381123] [2022-11-20 11:10:51,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197381123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:51,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:51,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:51,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487911561] [2022-11-20 11:10:51,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:51,310 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:51,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:51,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:10:51,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:10:51,319 INFO L87 Difference]: Start difference. First operand 156 states and 274 transitions. cyclomatic complexity: 119 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:51,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:51,524 INFO L93 Difference]: Finished difference Result 285 states and 492 transitions. [2022-11-20 11:10:51,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 492 transitions. [2022-11-20 11:10:51,530 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2022-11-20 11:10:51,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 492 transitions. [2022-11-20 11:10:51,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2022-11-20 11:10:51,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2022-11-20 11:10:51,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 492 transitions. [2022-11-20 11:10:51,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:51,542 INFO L218 hiAutomatonCegarLoop]: Abstraction has 285 states and 492 transitions. [2022-11-20 11:10:51,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 492 transitions. [2022-11-20 11:10:51,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 273. [2022-11-20 11:10:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 273 states have (on average 1.7362637362637363) internal successors, (474), 272 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 474 transitions. [2022-11-20 11:10:51,564 INFO L240 hiAutomatonCegarLoop]: Abstraction has 273 states and 474 transitions. [2022-11-20 11:10:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:10:51,565 INFO L428 stractBuchiCegarLoop]: Abstraction has 273 states and 474 transitions. [2022-11-20 11:10:51,565 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 11:10:51,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 474 transitions. [2022-11-20 11:10:51,568 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2022-11-20 11:10:51,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:51,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:51,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:51,569 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:51,570 INFO L748 eck$LassoCheckResult]: Stem: 1909#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1851#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; 1852#L404 assume !(1 == ~c_req_up~0); 1887#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1819#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1820#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1897#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1898#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1912#L435-1 assume !(0 == ~e_f~0); 1826#L440-1 assume !(0 == ~e_g~0); 1827#L445-1 assume !(0 == ~e_e~0); 1858#L450-1 assume !(0 == ~e_c~0); 1859#L455-1 assume !(0 == ~e_wl~0); 2007#L460-1 assume !(1 == ~wl_pc~0); 2005#L472 assume !(2 == ~wl_pc~0); 2003#L473 assume !(1 == ~c1_pc~0); 1903#L483 assume !(1 == ~c2_pc~0); 1800#L492 assume !(1 == ~wb_pc~0); 1850#L501 assume 1 == ~e_c~0;~r_st~0 := 0; 1833#L510-1 assume !(1 == ~e_e~0); 1816#L515-1 assume !(1 == ~e_f~0); 1797#L520-1 assume !(1 == ~e_g~0); 1798#L525-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1855#L530-1 assume !(1 == ~e_wl~0); 1795#L672-1 [2022-11-20 11:10:51,570 INFO L750 eck$LassoCheckResult]: Loop: 1795#L672-1 assume !false; 1882#L542 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; 1964#L377 assume !false; 1963#L295 assume !(0 == ~wl_st~0); 1962#L299 assume !(0 == ~c1_st~0); 1961#L302 assume !(0 == ~c2_st~0); 1960#L305 assume !(0 == ~wb_st~0); 1958#L308 assume !(0 == ~r_st~0); 1957#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1881#L548 assume !(1 == ~c_req_up~0); 1788#L548-2 start_simulation_~kernel_st~0#1 := 3; 1789#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1953#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1995#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1994#L570-1 assume !(0 == ~e_c~0); 1927#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1993#L580-1 assume 1 == ~wl_pc~0; 1991#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1988#L593 assume !(1 == ~c1_pc~0); 1908#L603 assume !(1 == ~c2_pc~0); 1772#L612 assume !(1 == ~wb_pc~0); 1774#L621 assume !(1 == ~e_c~0); 1874#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1875#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1914#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1922#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1792#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1793#L655-1 assume 0 == ~wl_st~0; 1795#L672-1 [2022-11-20 11:10:51,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:51,571 INFO L85 PathProgramCache]: Analyzing trace with hash 198346715, now seen corresponding path program 1 times [2022-11-20 11:10:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:51,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040648584] [2022-11-20 11:10:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:51,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:51,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040648584] [2022-11-20 11:10:51,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040648584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:51,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:51,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:51,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158220964] [2022-11-20 11:10:51,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:51,668 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:51,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:51,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 2 times [2022-11-20 11:10:51,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:51,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563260648] [2022-11-20 11:10:51,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:51,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:51,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:51,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563260648] [2022-11-20 11:10:51,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563260648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:51,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:51,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:51,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029131551] [2022-11-20 11:10:51,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:51,734 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:51,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:51,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:10:51,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:10:51,735 INFO L87 Difference]: Start difference. First operand 273 states and 474 transitions. cyclomatic complexity: 203 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:51,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:51,794 INFO L93 Difference]: Finished difference Result 369 states and 630 transitions. [2022-11-20 11:10:51,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 630 transitions. [2022-11-20 11:10:51,802 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2022-11-20 11:10:51,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 369 states and 630 transitions. [2022-11-20 11:10:51,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 369 [2022-11-20 11:10:51,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2022-11-20 11:10:51,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 630 transitions. [2022-11-20 11:10:51,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:51,807 INFO L218 hiAutomatonCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-20 11:10:51,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states and 630 transitions. [2022-11-20 11:10:51,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2022-11-20 11:10:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 369 states have (on average 1.7073170731707317) internal successors, (630), 368 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 630 transitions. [2022-11-20 11:10:51,833 INFO L240 hiAutomatonCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-20 11:10:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:10:51,840 INFO L428 stractBuchiCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-20 11:10:51,840 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 11:10:51,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 369 states and 630 transitions. [2022-11-20 11:10:51,843 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2022-11-20 11:10:51,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:51,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:51,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:51,851 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:51,851 INFO L748 eck$LassoCheckResult]: Stem: 2562#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 2502#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; 2503#L404 assume !(1 == ~c_req_up~0); 2529#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 2530#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 2518#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 2519#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 2498#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 2499#L435-1 assume !(0 == ~e_f~0); 2477#L440-1 assume !(0 == ~e_g~0); 2478#L445-1 assume !(0 == ~e_e~0); 2511#L450-1 assume !(0 == ~e_c~0); 2464#L455-1 assume !(0 == ~e_wl~0); 2465#L460-1 assume !(1 == ~wl_pc~0); 2487#L472 assume !(2 == ~wl_pc~0); 2488#L473 assume !(1 == ~c1_pc~0); 2556#L483 assume !(1 == ~c2_pc~0); 2450#L492 assume !(1 == ~wb_pc~0); 2505#L501 assume !(1 == ~e_c~0); 2522#L510-1 assume !(1 == ~e_e~0); 2468#L515-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2447#L520-1 assume !(1 == ~e_g~0); 2448#L525-1 assume !(1 == ~e_c~0); 2508#L530-1 assume !(1 == ~e_wl~0); 2728#L672-1 [2022-11-20 11:10:51,852 INFO L750 eck$LassoCheckResult]: Loop: 2728#L672-1 assume !false; 2723#L542 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; 2722#L377 assume !false; 2721#L295 assume !(0 == ~wl_st~0); 2720#L299 assume !(0 == ~c1_st~0); 2719#L302 assume !(0 == ~c2_st~0); 2718#L305 assume !(0 == ~wb_st~0); 2439#L308 assume !(0 == ~r_st~0); 2441#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 2463#L548 assume !(1 == ~c_req_up~0); 2437#L548-2 start_simulation_~kernel_st~0#1 := 3; 2438#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 2553#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 2457#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 2458#L570-1 assume !(0 == ~e_c~0); 2493#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 2494#L580-1 assume 1 == ~wl_pc~0; 2555#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 2460#L593 assume !(1 == ~c1_pc~0); 2517#L603 assume !(1 == ~c2_pc~0); 2501#L612 assume !(1 == ~wb_pc~0); 2751#L621 assume !(1 == ~e_c~0); 2745#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 2743#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2565#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 2742#L645-1 assume !(1 == ~e_c~0); 2601#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2739#L655-1 assume 0 == ~wl_st~0; 2728#L672-1 [2022-11-20 11:10:51,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:51,865 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2022-11-20 11:10:51,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:51,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277974707] [2022-11-20 11:10:51,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:51,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:51,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:51,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277974707] [2022-11-20 11:10:51,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277974707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:51,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:51,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:10:51,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86956609] [2022-11-20 11:10:51,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:51,948 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:51,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:51,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1473618571, now seen corresponding path program 1 times [2022-11-20 11:10:51,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:51,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978650620] [2022-11-20 11:10:51,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:51,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:10:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:51,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:10:52,323 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:10:52,326 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:10:52,326 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:10:52,327 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:10:52,327 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:10:52,327 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:52,327 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:10:52,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:10:52,328 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2022-11-20 11:10:52,328 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:10:52,330 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:10:52,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,414 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:52,801 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:10:52,802 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:10:52,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:52,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:52,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:52,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:10:52,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:52,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:52,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:52,863 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:52,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 11:10:52,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:52,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:52,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:52,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:52,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:52,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:10:52,928 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:52,928 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:52,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:52,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:52,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:52,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:52,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:52,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:52,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:10:52,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:52,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:52,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:52,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:53,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:53,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:10:53,037 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:53,037 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___2~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___2~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:53,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,053 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:53,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:53,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:10:53,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:53,094 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:53,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,101 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:10:53,109 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:53,109 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:53,140 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:53,140 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c_req_up~0=4} Honda state: {~c_req_up~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:53,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,152 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:53,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:53,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:10:53,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,223 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:10:53,234 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:53,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:10:53,261 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:10:53,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,272 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:10:53,272 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:10:53,272 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:10:53,272 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:10:53,272 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:10:53,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:10:53,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:10:53,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2022-11-20 11:10:53,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:10:53,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:10:53,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:53,727 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:10:53,733 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:10:53,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,736 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:53,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:10:53,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:53,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:53,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:53,768 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:53,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:53,771 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:53,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:53,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:53,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,794 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:10:53,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:53,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:53,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:53,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:53,825 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:53,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:53,826 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:53,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:53,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:53,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,859 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:10:53,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:53,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:53,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:53,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:53,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:10:53,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:53,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:10:53,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:53,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:53,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,903 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:53,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:53,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:53,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:53,954 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:53,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:53,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:10:53,959 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:53,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:53,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:53,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:53,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:53,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:53,983 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:53,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:10:53,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:54,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:54,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:54,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:54,009 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:54,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:54,013 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:54,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:54,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:54,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:54,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:54,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:54,037 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:54,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:54,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:10:54,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:54,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:54,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:54,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:10:54,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:54,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:10:54,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:54,074 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:10:54,078 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:10:54,079 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 11:10:54,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:54,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:54,100 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:54,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:10:54,103 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:10:54,103 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:10:54,103 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:10:54,104 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2022-11-20 11:10:54,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-11-20 11:10:54,117 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:10:54,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:54,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:10:54,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:10:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:54,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:10:54,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:10:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:54,439 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:10:54,441 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 369 states and 630 transitions. cyclomatic complexity: 263 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:54,590 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 369 states and 630 transitions. cyclomatic complexity: 263. 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 1270 states and 2159 transitions. Complement of second has 5 states. [2022-11-20 11:10:54,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 11:10:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2022-11-20 11:10:54,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-20 11:10:54,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:10:54,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-20 11:10:54,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:10:54,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-20 11:10:54,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:10:54,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1270 states and 2159 transitions. [2022-11-20 11:10:54,627 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 869 [2022-11-20 11:10:54,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1270 states to 1267 states and 2153 transitions. [2022-11-20 11:10:54,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 955 [2022-11-20 11:10:54,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 972 [2022-11-20 11:10:54,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1267 states and 2153 transitions. [2022-11-20 11:10:54,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:10:54,641 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1267 states and 2153 transitions. [2022-11-20 11:10:54,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states and 2153 transitions. [2022-11-20 11:10:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 952. [2022-11-20 11:10:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 952 states have (on average 1.7069327731092436) internal successors, (1625), 951 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1625 transitions. [2022-11-20 11:10:54,672 INFO L240 hiAutomatonCegarLoop]: Abstraction has 952 states and 1625 transitions. [2022-11-20 11:10:54,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:10:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:10:54,673 INFO L87 Difference]: Start difference. First operand 952 states and 1625 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:54,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:54,824 INFO L93 Difference]: Finished difference Result 1170 states and 1981 transitions. [2022-11-20 11:10:54,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1170 states and 1981 transitions. [2022-11-20 11:10:54,834 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 691 [2022-11-20 11:10:54,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1170 states to 1170 states and 1981 transitions. [2022-11-20 11:10:54,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 811 [2022-11-20 11:10:54,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 811 [2022-11-20 11:10:54,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1170 states and 1981 transitions. [2022-11-20 11:10:54,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:10:54,844 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1170 states and 1981 transitions. [2022-11-20 11:10:54,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states and 1981 transitions. [2022-11-20 11:10:54,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1149. [2022-11-20 11:10:54,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1149 states have (on average 1.7049608355091384) internal successors, (1959), 1148 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1959 transitions. [2022-11-20 11:10:54,872 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2022-11-20 11:10:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:10:54,873 INFO L428 stractBuchiCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2022-11-20 11:10:54,874 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 11:10:54,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1149 states and 1959 transitions. [2022-11-20 11:10:54,880 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 687 [2022-11-20 11:10:54,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:54,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:54,883 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:54,883 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:54,885 INFO L748 eck$LassoCheckResult]: Stem: 6635#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6512#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; 6513#L404 assume !(1 == ~c_req_up~0); 6633#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6722#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6721#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6720#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6719#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6644#L435-1 assume !(0 == ~e_f~0); 6465#L440-1 assume !(0 == ~e_g~0); 6466#L445-1 assume !(0 == ~e_e~0); 6516#L450-1 assume !(0 == ~e_c~0); 6522#L455-1 assume !(0 == ~e_wl~0); 6724#L460-1 assume !(1 == ~wl_pc~0); 6485#L472 assume !(2 == ~wl_pc~0); 6486#L473 assume !(1 == ~c1_pc~0); 6618#L483 assume !(1 == ~c2_pc~0); 6418#L492 assume !(1 == ~wb_pc~0); 6515#L501 assume !(1 == ~e_c~0); 6481#L510-1 assume !(1 == ~e_e~0); 6451#L515-1 assume !(1 == ~e_f~0); 6415#L520-1 assume !(1 == ~e_g~0); 6416#L525-1 assume !(1 == ~e_c~0); 6517#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 6595#L672-1 [2022-11-20 11:10:54,885 INFO L750 eck$LassoCheckResult]: Loop: 6595#L672-1 assume !false; 7245#L542 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; 7246#L377 assume !false; 7241#L295 assume !(0 == ~wl_st~0); 7242#L299 assume !(0 == ~c1_st~0); 7226#L302 assume !(0 == ~c2_st~0); 7227#L305 assume !(0 == ~wb_st~0); 7212#L308 assume !(0 == ~r_st~0); 7214#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 7195#L548 assume !(1 == ~c_req_up~0); 6396#L548-2 start_simulation_~kernel_st~0#1 := 3; 6397#L560 assume !(0 == ~e_f~0); 6456#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 6431#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 6432#L570-1 assume !(0 == ~e_c~0); 6494#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 6495#L580-1 assume !(1 == ~wl_pc~0); 6437#L592 assume !(2 == ~wl_pc~0); 6438#L593 assume !(1 == ~c1_pc~0); 6533#L603 assume !(1 == ~c2_pc~0); 6360#L612 assume !(1 == ~wb_pc~0); 6362#L621 assume !(1 == ~e_c~0); 6550#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 6551#L635-1 assume !(1 == ~e_f~0); 6648#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 6649#L645-1 assume !(1 == ~e_c~0); 7267#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7259#L655-1 assume 0 == ~wl_st~0; 6595#L672-1 [2022-11-20 11:10:54,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:54,886 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2022-11-20 11:10:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:54,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293797761] [2022-11-20 11:10:54,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:54,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:54,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:54,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293797761] [2022-11-20 11:10:54,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293797761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:54,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:54,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:54,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853574017] [2022-11-20 11:10:54,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:54,968 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:54,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:54,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1784107586, now seen corresponding path program 1 times [2022-11-20 11:10:54,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:54,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457828717] [2022-11-20 11:10:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:55,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:55,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457828717] [2022-11-20 11:10:55,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457828717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:55,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:55,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:10:55,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174664343] [2022-11-20 11:10:55,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:55,020 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:55,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:55,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:10:55,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:10:55,021 INFO L87 Difference]: Start difference. First operand 1149 states and 1959 transitions. cyclomatic complexity: 816 Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:55,138 INFO L93 Difference]: Finished difference Result 1915 states and 3215 transitions. [2022-11-20 11:10:55,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1915 states and 3215 transitions. [2022-11-20 11:10:55,155 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 979 [2022-11-20 11:10:55,169 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1915 states to 1915 states and 3215 transitions. [2022-11-20 11:10:55,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1280 [2022-11-20 11:10:55,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1280 [2022-11-20 11:10:55,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1915 states and 3215 transitions. [2022-11-20 11:10:55,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:10:55,172 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1915 states and 3215 transitions. [2022-11-20 11:10:55,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states and 3215 transitions. [2022-11-20 11:10:55,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1427. [2022-11-20 11:10:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1427 states have (on average 1.6937631394533987) internal successors, (2417), 1426 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2022-11-20 11:10:55,209 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-20 11:10:55,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:10:55,210 INFO L428 stractBuchiCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-20 11:10:55,210 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 11:10:55,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1427 states and 2417 transitions. [2022-11-20 11:10:55,226 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 789 [2022-11-20 11:10:55,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:55,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:55,233 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:55,233 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:55,233 INFO L748 eck$LassoCheckResult]: Stem: 9692#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 9583#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; 9584#L404 assume !(1 == ~c_req_up~0); 9640#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 9527#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 9528#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 9663#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 9664#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 9696#L435-1 assume !(0 == ~e_f~0); 9697#L440-1 assume !(0 == ~e_g~0); 9705#L445-1 assume !(0 == ~e_e~0); 9594#L450-1 assume !(0 == ~e_c~0); 9520#L455-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 9521#L460-1 assume !(1 == ~wl_pc~0); 9650#L472 assume !(2 == ~wl_pc~0); 10158#L473 assume !(1 == ~c1_pc~0); 10191#L483 assume !(1 == ~c2_pc~0); 10189#L492 assume !(1 == ~wb_pc~0); 10187#L501 assume !(1 == ~e_c~0); 10186#L510-1 assume !(1 == ~e_e~0); 10185#L515-1 assume !(1 == ~e_f~0); 10183#L520-1 assume !(1 == ~e_g~0); 10182#L525-1 assume !(1 == ~e_c~0); 10161#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10162#L672-1 [2022-11-20 11:10:55,235 INFO L750 eck$LassoCheckResult]: Loop: 10162#L672-1 assume !false; 10510#L542 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; 10504#L377 assume !false; 10498#L295 assume !(0 == ~wl_st~0); 10496#L299 assume !(0 == ~c1_st~0); 10494#L302 assume !(0 == ~c2_st~0); 10492#L305 assume !(0 == ~wb_st~0); 10489#L308 assume !(0 == ~r_st~0); 10487#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 10483#L548 assume !(1 == ~c_req_up~0); 10484#L548-2 start_simulation_~kernel_st~0#1 := 3; 10573#L560 assume !(0 == ~e_f~0); 10572#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 10571#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 10570#L570-1 assume !(0 == ~e_c~0); 10568#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 10567#L580-1 assume 1 == ~wl_pc~0; 10563#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 10560#L593 assume !(1 == ~c1_pc~0); 10559#L603 assume !(1 == ~c2_pc~0); 10557#L612 assume !(1 == ~wb_pc~0); 10555#L621 assume !(1 == ~e_c~0); 10554#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 10549#L635-1 assume !(1 == ~e_f~0); 10547#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 10545#L645-1 assume !(1 == ~e_c~0); 10194#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10195#L655-1 assume 0 == ~wl_st~0; 10162#L672-1 [2022-11-20 11:10:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:55,235 INFO L85 PathProgramCache]: Analyzing trace with hash -2560361, now seen corresponding path program 1 times [2022-11-20 11:10:55,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:55,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479831268] [2022-11-20 11:10:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:55,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:55,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:55,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479831268] [2022-11-20 11:10:55,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479831268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:55,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:55,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:10:55,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271400526] [2022-11-20 11:10:55,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:55,320 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:10:55,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:55,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1234847865, now seen corresponding path program 1 times [2022-11-20 11:10:55,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:55,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724756041] [2022-11-20 11:10:55,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:55,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:55,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:10:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:55,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:10:55,578 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:10:55,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:10:55,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:10:55,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:10:55,578 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:10:55,579 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:55,579 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:10:55,579 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:10:55,579 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2022-11-20 11:10:55,579 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:10:55,579 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:10:55,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,685 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:55,985 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:10:55,985 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:10:55,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:55,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:55,987 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:55,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:55,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:10:56,025 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,026 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,032 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 11:10:56,075 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,076 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,088 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 11:10:56,124 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,124 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,136 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 11:10:56,183 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,184 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,196 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 11:10:56,234 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,234 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,246 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 11:10:56,276 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,277 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,289 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 11:10:56,324 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,324 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet7#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,335 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 11:10:56,379 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet5#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,391 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 11:10:56,427 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,428 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,440 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 11:10:56,472 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:56,472 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:56,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,479 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:56,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 11:10:56,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,534 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:10:56,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:56,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 11:10:56,579 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:10:56,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:56,585 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:10:56,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:10:56,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:10:56,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:10:56,585 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:10:56,585 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:10:56,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:10:56,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2022-11-20 11:10:56,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:10:56,586 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:10:56,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,685 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,693 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:56,987 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:10:56,987 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:10:56,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:56,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:56,992 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:56,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 11:10:57,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,013 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:57,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,014 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:57,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,041 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 11:10:57,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,064 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:57,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,066 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:57,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,091 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 11:10:57,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:10:57,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:10:57,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,141 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 11:10:57,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:10:57,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:10:57,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,185 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 11:10:57,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:10:57,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:10:57,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,242 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 11:10:57,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,263 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:57,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,264 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:57,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,294 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 11:10:57,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:10:57,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:10:57,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,347 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 11:10:57,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:10:57,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:10:57,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,389 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 11:10:57,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,410 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:57,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,411 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:57,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,440 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 11:10:57,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,464 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:57,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,465 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:57,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:57,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,495 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:57,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 11:10:57,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:57,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:57,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:57,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:10:57,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:57,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:10:57,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:57,533 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:10:57,548 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:10:57,549 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 11:10:57,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:57,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:57,552 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:57,562 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:10:57,562 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:10:57,562 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:10:57,562 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2022-11-20 11:10:57,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 11:10:57,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,573 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:10:57,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:57,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:10:57,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:10:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:57,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:10:57,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:10:57,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:57,842 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:10:57,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1427 states and 2417 transitions. cyclomatic complexity: 996 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:57,928 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1427 states and 2417 transitions. cyclomatic complexity: 996. 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 2780 states and 4700 transitions. Complement of second has 5 states. [2022-11-20 11:10:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 11:10:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2022-11-20 11:10:57,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-20 11:10:57,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:10:57,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-20 11:10:57,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:10:57,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-20 11:10:57,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:10:57,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2780 states and 4700 transitions. [2022-11-20 11:10:57,961 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1578 [2022-11-20 11:10:57,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2780 states to 2777 states and 4694 transitions. [2022-11-20 11:10:57,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1861 [2022-11-20 11:10:57,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1884 [2022-11-20 11:10:57,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2777 states and 4694 transitions. [2022-11-20 11:10:57,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:10:57,987 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2777 states and 4694 transitions. [2022-11-20 11:10:57,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states and 4694 transitions. [2022-11-20 11:10:58,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 1427. [2022-11-20 11:10:58,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1427 states have (on average 1.6937631394533987) internal successors, (2417), 1426 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2022-11-20 11:10:58,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-20 11:10:58,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:58,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:10:58,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:10:58,049 INFO L87 Difference]: Start difference. First operand 1427 states and 2417 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:58,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:58,151 INFO L93 Difference]: Finished difference Result 1824 states and 2961 transitions. [2022-11-20 11:10:58,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1824 states and 2961 transitions. [2022-11-20 11:10:58,166 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1192 [2022-11-20 11:10:58,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1824 states to 1290 states and 2103 transitions. [2022-11-20 11:10:58,175 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1290 [2022-11-20 11:10:58,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1290 [2022-11-20 11:10:58,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1290 states and 2103 transitions. [2022-11-20 11:10:58,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:58,179 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1290 states and 2103 transitions. [2022-11-20 11:10:58,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states and 2103 transitions. [2022-11-20 11:10:58,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1003. [2022-11-20 11:10:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 1003 states have (on average 1.6340977068793618) internal successors, (1639), 1002 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1639 transitions. [2022-11-20 11:10:58,205 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2022-11-20 11:10:58,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:10:58,206 INFO L428 stractBuchiCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2022-11-20 11:10:58,206 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 11:10:58,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1003 states and 1639 transitions. [2022-11-20 11:10:58,213 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 928 [2022-11-20 11:10:58,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:58,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:58,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:58,214 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:58,214 INFO L748 eck$LassoCheckResult]: Stem: 17230#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 17158#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; 17159#L404 assume !(1 == ~c_req_up~0); 17189#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 17190#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 17176#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 17177#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 17154#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 17155#L435-1 assume !(0 == ~e_f~0); 17131#L440-1 assume !(0 == ~e_g~0); 17132#L445-1 assume !(0 == ~e_e~0); 17168#L450-1 assume !(0 == ~e_c~0); 17169#L455-1 assume !(0 == ~e_wl~0); 17264#L460-1 assume !(1 == ~wl_pc~0); 17261#L472 assume !(2 == ~wl_pc~0); 17260#L473 assume !(1 == ~c1_pc~0); 17221#L483 assume !(1 == ~c2_pc~0); 17103#L492 assume !(1 == ~wb_pc~0); 17180#L501 assume !(1 == ~e_c~0); 17181#L510-1 assume !(1 == ~e_e~0); 17256#L515-1 assume !(1 == ~e_f~0); 17255#L520-1 assume !(1 == ~e_g~0); 17164#L525-1 assume !(1 == ~e_c~0); 17165#L530-1 assume !(1 == ~e_wl~0); 17663#L672-1 [2022-11-20 11:10:58,215 INFO L750 eck$LassoCheckResult]: Loop: 17663#L672-1 assume !false; 17940#L542 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; 17939#L377 assume !false; 17938#L295 assume !(0 == ~wl_st~0); 17937#L299 assume !(0 == ~c1_st~0); 17936#L302 assume !(0 == ~c2_st~0); 17935#L305 assume !(0 == ~wb_st~0); 17933#L308 assume !(0 == ~r_st~0); 17932#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 17931#L548 assume !(1 == ~c_req_up~0); 17705#L548-2 start_simulation_~kernel_st~0#1 := 3; 17700#L560 assume !(0 == ~e_f~0); 17701#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 17696#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 17697#L570-1 assume !(0 == ~e_c~0); 17692#L575-1 assume !(0 == ~e_wl~0); 17693#L580-1 assume !(1 == ~wl_pc~0); 17690#L592 assume !(2 == ~wl_pc~0); 17689#L593 assume !(1 == ~c1_pc~0); 17684#L603 assume !(1 == ~c2_pc~0); 17683#L612 assume !(1 == ~wb_pc~0); 17978#L621 assume !(1 == ~e_c~0); 17977#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 17976#L635-1 assume !(1 == ~e_f~0); 17975#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 17974#L645-1 assume !(1 == ~e_c~0); 17973#L650-1 assume !(1 == ~e_wl~0); 17970#L655-1 assume 0 == ~wl_st~0; 17663#L672-1 [2022-11-20 11:10:58,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:58,215 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2022-11-20 11:10:58,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:58,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635182789] [2022-11-20 11:10:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:58,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:58,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:10:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:58,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:10:58,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:58,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1197301634, now seen corresponding path program 1 times [2022-11-20 11:10:58,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:58,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649766297] [2022-11-20 11:10:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:58,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:58,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:58,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649766297] [2022-11-20 11:10:58,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649766297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:58,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:58,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:10:58,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128307427] [2022-11-20 11:10:58,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:58,258 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:10:58,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:10:58,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:10:58,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:10:58,259 INFO L87 Difference]: Start difference. First operand 1003 states and 1639 transitions. cyclomatic complexity: 640 Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:58,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:10:58,296 INFO L93 Difference]: Finished difference Result 1585 states and 2559 transitions. [2022-11-20 11:10:58,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1585 states and 2559 transitions. [2022-11-20 11:10:58,309 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2022-11-20 11:10:58,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1585 states to 1585 states and 2559 transitions. [2022-11-20 11:10:58,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1585 [2022-11-20 11:10:58,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1585 [2022-11-20 11:10:58,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1585 states and 2559 transitions. [2022-11-20 11:10:58,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:10:58,325 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-20 11:10:58,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states and 2559 transitions. [2022-11-20 11:10:58,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1585. [2022-11-20 11:10:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1585 states have (on average 1.6145110410094636) internal successors, (2559), 1584 states have internal predecessors, (2559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:10:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2559 transitions. [2022-11-20 11:10:58,363 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-20 11:10:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:10:58,364 INFO L428 stractBuchiCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-20 11:10:58,364 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-20 11:10:58,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1585 states and 2559 transitions. [2022-11-20 11:10:58,374 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2022-11-20 11:10:58,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:10:58,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:10:58,376 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:58,376 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:10:58,376 INFO L748 eck$LassoCheckResult]: Stem: 19818#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 19751#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; 19752#L404 assume !(1 == ~c_req_up~0); 19779#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 19713#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 19714#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 19767#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 19747#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 19748#L435-1 assume !(0 == ~e_f~0); 19724#L440-1 assume !(0 == ~e_g~0); 19725#L445-1 assume !(0 == ~e_e~0); 19755#L450-1 assume !(0 == ~e_c~0); 19760#L455-1 assume !(0 == ~e_wl~0); 19855#L460-1 assume !(1 == ~wl_pc~0); 19852#L472 assume !(2 == ~wl_pc~0); 19851#L473 assume !(1 == ~c1_pc~0); 19849#L483 assume !(1 == ~c2_pc~0); 19844#L492 assume !(1 == ~wb_pc~0); 19771#L501 assume !(1 == ~e_c~0); 19731#L510-1 assume !(1 == ~e_e~0); 19732#L515-1 assume !(1 == ~e_f~0); 19842#L520-1 assume !(1 == ~e_g~0); 19756#L525-1 assume !(1 == ~e_c~0); 19757#L530-1 assume !(1 == ~e_wl~0); 20450#L672-1 [2022-11-20 11:10:58,376 INFO L750 eck$LassoCheckResult]: Loop: 20450#L672-1 assume !false; 21193#L542 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; 21190#L377 assume !false; 21098#L295 assume !(0 == ~wl_st~0); 20822#L299 assume !(0 == ~c1_st~0); 20398#L302 assume !(0 == ~c2_st~0); 20399#L305 assume !(0 == ~wb_st~0); 20395#L308 assume !(0 == ~r_st~0); 20396#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 20725#L548 assume !(1 == ~c_req_up~0); 20727#L548-2 start_simulation_~kernel_st~0#1 := 3; 21138#L560 assume !(0 == ~e_f~0); 21137#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 21136#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 21135#L570-1 assume !(0 == ~e_c~0); 21134#L575-1 assume !(0 == ~e_wl~0); 21133#L580-1 assume !(1 == ~wl_pc~0); 21131#L592 assume 2 == ~wl_pc~0; 21129#L594 assume 1 == ~e_e~0;~wl_st~0 := 0; 21127#L593 assume !(1 == ~c1_pc~0); 20473#L603 assume !(1 == ~c2_pc~0); 20472#L612 assume !(1 == ~wb_pc~0); 21124#L621 assume !(1 == ~e_c~0); 21123#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 21122#L635-1 assume !(1 == ~e_f~0); 21121#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 21120#L645-1 assume !(1 == ~e_c~0); 21119#L650-1 assume !(1 == ~e_wl~0); 21118#L655-1 assume 0 == ~wl_st~0; 20450#L672-1 [2022-11-20 11:10:58,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:58,377 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 3 times [2022-11-20 11:10:58,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:58,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389572486] [2022-11-20 11:10:58,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:58,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:58,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:10:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:58,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:10:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:58,398 INFO L85 PathProgramCache]: Analyzing trace with hash -869781309, now seen corresponding path program 1 times [2022-11-20 11:10:58,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:58,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731116718] [2022-11-20 11:10:58,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:58,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:58,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:10:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:10:58,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:10:58,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:10:58,411 INFO L85 PathProgramCache]: Analyzing trace with hash 44318509, now seen corresponding path program 1 times [2022-11-20 11:10:58,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:10:58,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742213306] [2022-11-20 11:10:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:10:58,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:10:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:10:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:10:58,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:10:58,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742213306] [2022-11-20 11:10:58,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742213306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:10:58,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:10:58,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:10:58,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735042641] [2022-11-20 11:10:58,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:10:58,767 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:10:58,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:10:58,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:10:58,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:10:58,768 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:10:58,768 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:58,768 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:10:58,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:10:58,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2022-11-20 11:10:58,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:10:58,769 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:10:58,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,825 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,865 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,872 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,882 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:58,907 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,315 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:10:59,316 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:10:59,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:59,320 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:59,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:59,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:59,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 11:10:59,380 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:59,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:59,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:59,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:59,392 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:59,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 11:10:59,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:59,396 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:59,418 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:59,418 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_wl~0=-1} Honda state: {~e_wl~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:59,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-20 11:10:59,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:59,423 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:59,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 11:10:59,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:59,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:59,441 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:59,441 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:59,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-20 11:10:59,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:59,446 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:59,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 11:10:59,453 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:59,453 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:59,471 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:10:59,471 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet6#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:10:59,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:59,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:59,477 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:59,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:10:59,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:59,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 11:10:59,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-20 11:10:59,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:59,505 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:59,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 11:10:59,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:10:59,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:10:59,525 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:10:59,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-20 11:10:59,528 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:10:59,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:10:59,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:10:59,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:10:59,528 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:10:59,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:10:59,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:10:59,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2022-11-20 11:10:59,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:10:59,529 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:10:59,531 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:10:59,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:10:59,947 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:10:59,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:59,949 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:59,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 11:10:59,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:10:59,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:10:59,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:10:59,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:10:59,975 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:10:59,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:10:59,977 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:10:59,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:10:59,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:10:59,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-20 11:10:59,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:10:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:10:59,995 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:10:59,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:00,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 11:11:00,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:00,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:00,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:00,013 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:11:00,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:00,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:11:00,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:00,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:00,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:00,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:00,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:00,038 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:00,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:00,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 11:11:00,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:00,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:00,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:00,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:11:00,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:00,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:11:00,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:00,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:00,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:00,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:00,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:00,085 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:00,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:00,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 11:11:00,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:00,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:00,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:00,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:11:00,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:00,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:11:00,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:00,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:00,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:00,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:00,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:00,124 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:00,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:00,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 11:11:00,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:00,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:00,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:00,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:11:00,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:00,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:11:00,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:00,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:11:00,168 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:11:00,168 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 11:11:00,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:00,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:00,171 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:00,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:11:00,176 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:11:00,176 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:11:00,176 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2022-11-20 11:11:00,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 11:11:00,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:00,183 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:11:00,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:11:00,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:11:00,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:11:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:11:00,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:11:00,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:11:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:11:00,415 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:11:00,415 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1585 states and 2559 transitions. cyclomatic complexity: 978 Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:00,481 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1585 states and 2559 transitions. cyclomatic complexity: 978. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4213 states and 6824 transitions. Complement of second has 5 states. [2022-11-20 11:11:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 11:11:00,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:00,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2022-11-20 11:11:00,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 24 letters. Loop has 29 letters. [2022-11-20 11:11:00,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:11:00,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 53 letters. Loop has 29 letters. [2022-11-20 11:11:00,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:11:00,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 24 letters. Loop has 58 letters. [2022-11-20 11:11:00,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:11:00,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4213 states and 6824 transitions. [2022-11-20 11:11:00,517 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 2773 [2022-11-20 11:11:00,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4213 states to 4213 states and 6824 transitions. [2022-11-20 11:11:00,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2851 [2022-11-20 11:11:00,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2896 [2022-11-20 11:11:00,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4213 states and 6824 transitions. [2022-11-20 11:11:00,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:11:00,548 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4213 states and 6824 transitions. [2022-11-20 11:11:00,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states and 6824 transitions. [2022-11-20 11:11:00,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 4168. [2022-11-20 11:11:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4168 states, 4168 states have (on average 1.6190019193857965) internal successors, (6748), 4167 states have internal predecessors, (6748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 6748 transitions. [2022-11-20 11:11:00,647 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4168 states and 6748 transitions. [2022-11-20 11:11:00,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:11:00,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:11:00,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:11:00,648 INFO L87 Difference]: Start difference. First operand 4168 states and 6748 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:11:00,705 INFO L93 Difference]: Finished difference Result 3262 states and 5294 transitions. [2022-11-20 11:11:00,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3262 states and 5294 transitions. [2022-11-20 11:11:00,726 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 2167 [2022-11-20 11:11:00,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3262 states to 3262 states and 5294 transitions. [2022-11-20 11:11:00,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2248 [2022-11-20 11:11:00,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2248 [2022-11-20 11:11:00,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3262 states and 5294 transitions. [2022-11-20 11:11:00,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:11:00,764 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3262 states and 5294 transitions. [2022-11-20 11:11:00,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states and 5294 transitions. [2022-11-20 11:11:00,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2914. [2022-11-20 11:11:00,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2914 states have (on average 1.6304049416609472) internal successors, (4751), 2913 states have internal predecessors, (4751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:00,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4751 transitions. [2022-11-20 11:11:00,905 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2914 states and 4751 transitions. [2022-11-20 11:11:00,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:11:00,906 INFO L428 stractBuchiCegarLoop]: Abstraction has 2914 states and 4751 transitions. [2022-11-20 11:11:00,906 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-20 11:11:00,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2914 states and 4751 transitions. [2022-11-20 11:11:00,921 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1933 [2022-11-20 11:11:00,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:11:00,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:11:00,922 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:00,922 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:00,922 INFO L748 eck$LassoCheckResult]: Stem: 33350#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 33227#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; 33228#L404 assume !(1 == ~c_req_up~0); 33273#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 33274#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 33253#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 33254#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 33219#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 33220#L435-1 assume !(0 == ~e_f~0); 33176#L440-1 assume !(0 == ~e_g~0); 33177#L445-1 assume !(0 == ~e_e~0); 33239#L450-1 assume !(0 == ~e_c~0); 33240#L455-1 assume !(0 == ~e_wl~0); 33405#L460-1 assume !(1 == ~wl_pc~0); 33402#L472 assume !(2 == ~wl_pc~0); 33401#L473 assume !(1 == ~c1_pc~0); 33329#L483 assume !(1 == ~c2_pc~0); 33130#L492 assume !(1 == ~wb_pc~0); 33230#L501 assume !(1 == ~e_c~0); 33191#L510-1 assume !(1 == ~e_e~0); 33192#L515-1 assume !(1 == ~e_f~0); 33392#L520-1 assume !(1 == ~e_g~0); 33233#L525-1 assume !(1 == ~e_c~0); 33234#L530-1 assume !(1 == ~e_wl~0); 33942#L672-1 assume !false; 33943#L542 [2022-11-20 11:11:00,930 INFO L750 eck$LassoCheckResult]: Loop: 33943#L542 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; 35242#L377 assume !false; 35241#L295 assume 0 == ~wl_st~0; 35240#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 34762#L321 assume 0 != eval_~tmp~0#1;~wl_st~0 := 1;assume { :begin_inline_write_loop } true;havoc write_loop_~t~0#1;havoc write_loop_~t~0#1; 34761#L66 assume 0 == ~wl_pc~0; 34758#L79 ~wl_st~0 := 2;~wl_pc~0 := 1;~e_wl~0 := 0; 34803#L127 assume { :end_inline_write_loop } true; 34800#L317 assume !(0 == ~c1_st~0); 34797#L332 assume !(0 == ~c2_st~0); 34794#L347 assume !(0 == ~wb_st~0); 34718#L362 assume !(0 == ~r_st~0); 34710#L377 assume !false; 34707#L295 assume !(0 == ~wl_st~0); 34702#L299 assume !(0 == ~c1_st~0); 34552#L302 assume !(0 == ~c2_st~0); 34491#L305 assume !(0 == ~wb_st~0); 34485#L308 assume !(0 == ~r_st~0); 34480#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 34474#L548 assume !(1 == ~c_req_up~0); 34475#L548-2 start_simulation_~kernel_st~0#1 := 3; 35430#L560 assume !(0 == ~e_f~0); 35427#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 35405#L565-1 assume !(0 == ~e_e~0); 35404#L570-1 assume !(0 == ~e_c~0); 35403#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 35401#L580-1 assume 1 == ~wl_pc~0; 35400#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 35393#L593 assume !(1 == ~c1_pc~0); 35356#L603 assume !(1 == ~c2_pc~0); 35352#L612 assume !(1 == ~wb_pc~0); 35348#L621 assume !(1 == ~e_c~0); 35345#L630-1 assume !(1 == ~e_e~0); 35341#L635-1 assume !(1 == ~e_f~0); 35339#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 35337#L645-1 assume !(1 == ~e_c~0); 35335#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 35334#L655-1 assume 0 == ~wl_st~0; 35333#L672-1 assume !false; 33943#L542 [2022-11-20 11:11:00,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:00,931 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2022-11-20 11:11:00,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:00,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166069771] [2022-11-20 11:11:00,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:00,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:00,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:00,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:00,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:00,960 INFO L85 PathProgramCache]: Analyzing trace with hash 40699584, now seen corresponding path program 1 times [2022-11-20 11:11:00,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:00,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534366325] [2022-11-20 11:11:00,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:00,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:00,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:00,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:00,980 INFO L85 PathProgramCache]: Analyzing trace with hash 746346533, now seen corresponding path program 1 times [2022-11-20 11:11:00,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:00,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598695007] [2022-11-20 11:11:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:11:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:11:01,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:11:01,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598695007] [2022-11-20 11:11:01,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598695007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:11:01,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:11:01,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:11:01,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991690675] [2022-11-20 11:11:01,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:11:01,433 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:11:01,433 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:11:01,433 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:11:01,433 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:11:01,433 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:11:01,434 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:01,434 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:11:01,434 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:11:01,434 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2022-11-20 11:11:01,434 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:11:01,434 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:11:01,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,514 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:01,839 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:11:01,839 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:11:01,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:01,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:01,844 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:01,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:11:01,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:01,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 11:11:01,887 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:11:01,888 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:11:01,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:01,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:01,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:01,894 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:01,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:11:01,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:01,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 11:11:01,924 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:11:01,925 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet4#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:11:01,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:01,930 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:01,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:11:01,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:01,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 11:11:01,968 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:11:01,968 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:11:01,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:01,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:01,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:01,974 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:01,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:11:01,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:01,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 11:11:02,006 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:11:02,007 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=4} Honda state: {ULTIMATE.start_eval_~tmp~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:11:02,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,012 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:11:02,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:02,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 11:11:02,052 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:11:02,052 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:11:02,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,058 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:11:02,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:02,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 11:11:02,091 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:11:02,092 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:11:02,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,098 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:11:02,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:02,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-20 11:11:02,131 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:11:02,131 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:11:02,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-20 11:11:02,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,136 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 11:11:02,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:11:02,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:02,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,158 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 11:11:02,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:11:02,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:11:02,178 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:11:02,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,182 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:11:02,182 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:11:02,182 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:11:02,182 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:11:02,182 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:11:02,182 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,182 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:11:02,182 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:11:02,182 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2022-11-20 11:11:02,182 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:11:02,182 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:11:02,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,205 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,229 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,293 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:11:02,652 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:11:02,652 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:11:02,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,655 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:02,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 11:11:02,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:02,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:02,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:02,676 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:11:02,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:02,677 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:11:02,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:02,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:02,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,693 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:02,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 11:11:02,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:02,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:02,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:02,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:11:02,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:02,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:11:02,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:02,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:02,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,753 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:02,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 11:11:02,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:02,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:02,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:02,777 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:11:02,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:02,780 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:11:02,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:02,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:02,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,804 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 11:11:02,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:02,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:02,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:02,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:02,826 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:11:02,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:02,832 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:11:02,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:02,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:02,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,862 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:02,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 11:11:02,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:02,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:02,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:02,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:11:02,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:02,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:11:02,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:02,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:02,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-20 11:11:02,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,889 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:02,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 11:11:02,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:02,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:02,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:02,911 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:11:02,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:02,911 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:11:02,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:02,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:02,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,921 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 11:11:02,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:02,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:02,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:02,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:02,937 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:11:02,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:02,938 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:11:02,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:02,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:11:02,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-20 11:11:02,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,944 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 11:11:02,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:11:02,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:11:02,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:11:02,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:11:02,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:11:02,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:11:02,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:11:02,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:11:02,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:11:02,982 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:11:02,982 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 11:11:02,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:11:02,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:02,984 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:02,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-20 11:11:02,987 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:11:02,988 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:11:02,988 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:11:02,988 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2022-11-20 11:11:02,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:02,997 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:11:03,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:11:03,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:11:03,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:11:03,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-20 11:11:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:11:03,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:11:03,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:11:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:11:03,393 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:11:03,393 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2914 states and 4751 transitions. cyclomatic complexity: 1843 Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:03,519 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2914 states and 4751 transitions. cyclomatic complexity: 1843. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 8628 states and 14071 transitions. Complement of second has 7 states. [2022-11-20 11:11:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 11:11:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 207 transitions. [2022-11-20 11:11:03,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 25 letters. Loop has 39 letters. [2022-11-20 11:11:03,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:11:03,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 64 letters. Loop has 39 letters. [2022-11-20 11:11:03,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:11:03,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 25 letters. Loop has 78 letters. [2022-11-20 11:11:03,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:11:03,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8628 states and 14071 transitions. [2022-11-20 11:11:03,584 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 3141 [2022-11-20 11:11:03,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8628 states to 8498 states and 13879 transitions. [2022-11-20 11:11:03,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3967 [2022-11-20 11:11:03,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3976 [2022-11-20 11:11:03,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8498 states and 13879 transitions. [2022-11-20 11:11:03,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:11:03,638 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8498 states and 13879 transitions. [2022-11-20 11:11:03,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8498 states and 13879 transitions. [2022-11-20 11:11:03,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8498 to 8239. [2022-11-20 11:11:03,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8239 states, 8239 states have (on average 1.6358781405510376) internal successors, (13478), 8238 states have internal predecessors, (13478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:03,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8239 states to 8239 states and 13478 transitions. [2022-11-20 11:11:03,810 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8239 states and 13478 transitions. [2022-11-20 11:11:03,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:11:03,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:11:03,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:11:03,811 INFO L87 Difference]: Start difference. First operand 8239 states and 13478 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:03,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:11:03,972 INFO L93 Difference]: Finished difference Result 12698 states and 20566 transitions. [2022-11-20 11:11:03,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12698 states and 20566 transitions. [2022-11-20 11:11:04,092 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4978 [2022-11-20 11:11:04,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12698 states to 12698 states and 20566 transitions. [2022-11-20 11:11:04,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6011 [2022-11-20 11:11:04,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6011 [2022-11-20 11:11:04,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12698 states and 20566 transitions. [2022-11-20 11:11:04,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:11:04,169 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-20 11:11:04,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12698 states and 20566 transitions. [2022-11-20 11:11:04,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12698 to 12698. [2022-11-20 11:11:04,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12698 states, 12698 states have (on average 1.619625137816979) internal successors, (20566), 12697 states have internal predecessors, (20566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:04,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12698 states to 12698 states and 20566 transitions. [2022-11-20 11:11:04,451 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-20 11:11:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:11:04,453 INFO L428 stractBuchiCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-20 11:11:04,453 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-20 11:11:04,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12698 states and 20566 transitions. [2022-11-20 11:11:04,512 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4978 [2022-11-20 11:11:04,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:11:04,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:11:04,513 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:04,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:04,514 INFO L748 eck$LassoCheckResult]: Stem: 66057#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 65921#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; 65922#L404 assume !(1 == ~c_req_up~0); 65984#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 65863#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 65864#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 66015#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 66016#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 66065#L435-1 assume !(0 == ~e_f~0); 66066#L440-1 assume !(0 == ~e_g~0); 65925#L445-1 assume !(0 == ~e_e~0); 65926#L450-1 assume !(0 == ~e_c~0); 65857#L455-1 assume !(0 == ~e_wl~0); 65858#L460-1 assume !(1 == ~wl_pc~0); 66099#L472 assume !(2 == ~wl_pc~0); 66062#L473 assume !(1 == ~c1_pc~0); 66037#L483 assume !(1 == ~c2_pc~0); 65828#L492 assume !(1 == ~wb_pc~0); 65924#L501 assume !(1 == ~e_c~0); 65955#L510-1 assume !(1 == ~e_e~0); 66082#L515-1 assume !(1 == ~e_f~0); 65825#L520-1 assume !(1 == ~e_g~0); 65826#L525-1 assume !(1 == ~e_c~0); 65927#L530-1 assume !(1 == ~e_wl~0); 66012#L672-1 assume !false; 69909#L542 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; 73535#L377 [2022-11-20 11:11:04,514 INFO L750 eck$LassoCheckResult]: Loop: 73535#L377 assume !false; 73864#L295 assume 0 == ~wl_st~0; 73863#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 73860#L321 assume !(0 != eval_~tmp~0#1); 73859#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 73842#L336 assume !(0 != eval_~tmp___0~0#1); 73858#L332 assume !(0 == ~c2_st~0); 73873#L347 assume !(0 == ~wb_st~0); 73868#L362 assume !(0 == ~r_st~0); 73535#L377 [2022-11-20 11:11:04,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:04,515 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-11-20 11:11:04,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:04,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405773215] [2022-11-20 11:11:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:04,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:04,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:04,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:04,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:04,560 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 1 times [2022-11-20 11:11:04,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:04,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515614381] [2022-11-20 11:11:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:04,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:04,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:04,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:04,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1807696598, now seen corresponding path program 1 times [2022-11-20 11:11:04,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:04,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056281291] [2022-11-20 11:11:04,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:04,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:11:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:11:04,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:11:04,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056281291] [2022-11-20 11:11:04,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056281291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:11:04,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:11:04,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:11:04,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588357199] [2022-11-20 11:11:04,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:11:04,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:11:04,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:11:04,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:11:04,698 INFO L87 Difference]: Start difference. First operand 12698 states and 20566 transitions. cyclomatic complexity: 7907 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:04,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:11:04,913 INFO L93 Difference]: Finished difference Result 19288 states and 30770 transitions. [2022-11-20 11:11:04,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19288 states and 30770 transitions. [2022-11-20 11:11:05,028 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-20 11:11:05,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19288 states to 19288 states and 30770 transitions. [2022-11-20 11:11:05,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9280 [2022-11-20 11:11:05,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9280 [2022-11-20 11:11:05,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19288 states and 30770 transitions. [2022-11-20 11:11:05,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:11:05,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-20 11:11:05,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19288 states and 30770 transitions. [2022-11-20 11:11:05,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19288 to 19288. [2022-11-20 11:11:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19288 states, 19288 states have (on average 1.5952924097884695) internal successors, (30770), 19287 states have internal predecessors, (30770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19288 states to 19288 states and 30770 transitions. [2022-11-20 11:11:05,603 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-20 11:11:05,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:11:05,604 INFO L428 stractBuchiCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-20 11:11:05,604 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-20 11:11:05,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19288 states and 30770 transitions. [2022-11-20 11:11:05,679 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-20 11:11:05,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:11:05,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:11:05,687 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:05,687 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:05,688 INFO L748 eck$LassoCheckResult]: Stem: 98062#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 97914#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; 97915#L404 assume !(1 == ~c_req_up~0); 97976#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 97852#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 97853#L420-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 98019#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 98020#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 98075#L435-1 assume !(0 == ~e_f~0); 98076#L440-1 assume !(0 == ~e_g~0); 97918#L445-1 assume !(0 == ~e_e~0); 97919#L450-1 assume !(0 == ~e_c~0); 97850#L455-1 assume !(0 == ~e_wl~0); 97851#L460-1 assume !(1 == ~wl_pc~0); 98117#L472 assume !(2 == ~wl_pc~0); 98118#L473 assume !(1 == ~c1_pc~0); 100588#L483 assume !(1 == ~c2_pc~0); 100586#L492 assume !(1 == ~wb_pc~0); 100584#L501 assume !(1 == ~e_c~0); 100583#L510-1 assume !(1 == ~e_e~0); 100582#L515-1 assume !(1 == ~e_f~0); 100581#L520-1 assume !(1 == ~e_g~0); 100580#L525-1 assume !(1 == ~e_c~0); 100579#L530-1 assume !(1 == ~e_wl~0); 100577#L672-1 assume !false; 100578#L542 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; 106067#L377 [2022-11-20 11:11:05,688 INFO L750 eck$LassoCheckResult]: Loop: 106067#L377 assume !false; 111539#L295 assume 0 == ~wl_st~0; 111536#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 111530#L321 assume !(0 != eval_~tmp~0#1); 111531#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 112631#L336 assume !(0 != eval_~tmp___0~0#1); 111599#L332 assume !(0 == ~c2_st~0); 111563#L347 assume !(0 == ~wb_st~0); 111553#L362 assume !(0 == ~r_st~0); 106067#L377 [2022-11-20 11:11:05,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:05,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-11-20 11:11:05,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:05,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292484588] [2022-11-20 11:11:05,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:05,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:11:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:11:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:11:05,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292484588] [2022-11-20 11:11:05,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292484588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:11:05,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:11:05,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:11:05,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079169104] [2022-11-20 11:11:05,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:11:05,854 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:11:05,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:05,855 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 2 times [2022-11-20 11:11:05,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:05,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934569792] [2022-11-20 11:11:05,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:05,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:05,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:05,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:05,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:11:05,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:11:05,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:11:05,927 INFO L87 Difference]: Start difference. First operand 19288 states and 30770 transitions. cyclomatic complexity: 11521 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:06,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:11:06,016 INFO L93 Difference]: Finished difference Result 19216 states and 30651 transitions. [2022-11-20 11:11:06,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19216 states and 30651 transitions. [2022-11-20 11:11:06,264 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-20 11:11:06,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19216 states to 19216 states and 30651 transitions. [2022-11-20 11:11:06,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9211 [2022-11-20 11:11:06,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9211 [2022-11-20 11:11:06,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19216 states and 30651 transitions. [2022-11-20 11:11:06,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:11:06,476 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-20 11:11:06,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states and 30651 transitions. [2022-11-20 11:11:06,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 19216. [2022-11-20 11:11:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19216 states, 19216 states have (on average 1.5950770191507078) internal successors, (30651), 19215 states have internal predecessors, (30651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19216 states to 19216 states and 30651 transitions. [2022-11-20 11:11:07,304 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-20 11:11:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:11:07,305 INFO L428 stractBuchiCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-20 11:11:07,305 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-20 11:11:07,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19216 states and 30651 transitions. [2022-11-20 11:11:07,364 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-20 11:11:07,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:11:07,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:11:07,365 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:07,365 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:07,365 INFO L748 eck$LassoCheckResult]: Stem: 136572#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 136426#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; 136427#L404 assume !(1 == ~c_req_up~0); 136488#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 136367#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 136368#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 136525#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 136526#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 136580#L435-1 assume !(0 == ~e_f~0); 136581#L440-1 assume !(0 == ~e_g~0); 136430#L445-1 assume !(0 == ~e_e~0); 136431#L450-1 assume !(0 == ~e_c~0); 136361#L455-1 assume !(0 == ~e_wl~0); 136362#L460-1 assume !(1 == ~wl_pc~0); 136615#L472 assume !(2 == ~wl_pc~0); 136575#L473 assume !(1 == ~c1_pc~0); 136548#L483 assume !(1 == ~c2_pc~0); 136331#L492 assume !(1 == ~wb_pc~0); 136429#L501 assume !(1 == ~e_c~0); 136460#L510-1 assume !(1 == ~e_e~0); 136598#L515-1 assume !(1 == ~e_f~0); 136328#L520-1 assume !(1 == ~e_g~0); 136329#L525-1 assume !(1 == ~e_c~0); 136432#L530-1 assume !(1 == ~e_wl~0); 138556#L672-1 assume !false; 138557#L542 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; 145464#L377 [2022-11-20 11:11:07,365 INFO L750 eck$LassoCheckResult]: Loop: 145464#L377 assume !false; 145461#L295 assume 0 == ~wl_st~0; 145460#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 145458#L321 assume !(0 != eval_~tmp~0#1); 145459#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 146072#L336 assume !(0 != eval_~tmp___0~0#1); 145481#L332 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 145476#L351 assume !(0 != eval_~tmp___1~0#1); 145474#L347 assume !(0 == ~wb_st~0); 145469#L362 assume !(0 == ~r_st~0); 145464#L377 [2022-11-20 11:11:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-11-20 11:11:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:07,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161600237] [2022-11-20 11:11:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:07,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:07,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:07,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:07,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:07,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1853655075, now seen corresponding path program 1 times [2022-11-20 11:11:07,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:07,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727302359] [2022-11-20 11:11:07,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:07,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:07,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:07,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:07,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:07,390 INFO L85 PathProgramCache]: Analyzing trace with hash -205670443, now seen corresponding path program 1 times [2022-11-20 11:11:07,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:07,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23924519] [2022-11-20 11:11:07,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:07,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:11:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:11:07,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:11:07,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23924519] [2022-11-20 11:11:07,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23924519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:11:07,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:11:07,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:11:07,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942905416] [2022-11-20 11:11:07,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:11:07,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:11:07,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:11:07,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:11:07,499 INFO L87 Difference]: Start difference. First operand 19216 states and 30651 transitions. cyclomatic complexity: 11474 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:07,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:11:07,657 INFO L93 Difference]: Finished difference Result 31797 states and 49804 transitions. [2022-11-20 11:11:07,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31797 states and 49804 transitions. [2022-11-20 11:11:07,943 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 13278 [2022-11-20 11:11:08,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31797 states to 31797 states and 49804 transitions. [2022-11-20 11:11:08,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15347 [2022-11-20 11:11:08,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15347 [2022-11-20 11:11:08,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31797 states and 49804 transitions. [2022-11-20 11:11:08,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:11:08,189 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-20 11:11:08,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31797 states and 49804 transitions. [2022-11-20 11:11:08,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31797 to 31797. [2022-11-20 11:11:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31797 states, 31797 states have (on average 1.5663112872283549) internal successors, (49804), 31796 states have internal predecessors, (49804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:11:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31797 states to 31797 states and 49804 transitions. [2022-11-20 11:11:08,885 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-20 11:11:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:11:08,886 INFO L428 stractBuchiCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-20 11:11:08,886 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-20 11:11:08,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31797 states and 49804 transitions. [2022-11-20 11:11:08,994 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 13278 [2022-11-20 11:11:08,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:11:08,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:11:08,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:08,995 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:11:08,996 INFO L748 eck$LassoCheckResult]: Stem: 187612#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 187452#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; 187453#L404 assume !(1 == ~c_req_up~0); 187517#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 187384#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 187385#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 187555#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 187556#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 187625#L435-1 assume !(0 == ~e_f~0); 187626#L440-1 assume !(0 == ~e_g~0); 187456#L445-1 assume !(0 == ~e_e~0); 187457#L450-1 assume !(0 == ~e_c~0); 187382#L455-1 assume !(0 == ~e_wl~0); 187383#L460-1 assume !(1 == ~wl_pc~0); 187660#L472 assume !(2 == ~wl_pc~0); 187618#L473 assume !(1 == ~c1_pc~0); 187583#L483 assume !(1 == ~c2_pc~0); 187352#L492 assume !(1 == ~wb_pc~0); 187455#L501 assume !(1 == ~e_c~0); 187486#L510-1 assume !(1 == ~e_e~0); 187643#L515-1 assume !(1 == ~e_f~0); 187349#L520-1 assume !(1 == ~e_g~0); 187350#L525-1 assume !(1 == ~e_c~0); 187458#L530-1 assume !(1 == ~e_wl~0); 200554#L672-1 assume !false; 200555#L542 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; 204633#L377 [2022-11-20 11:11:08,996 INFO L750 eck$LassoCheckResult]: Loop: 204633#L377 assume !false; 218651#L295 assume 0 == ~wl_st~0; 218649#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 218646#L321 assume !(0 != eval_~tmp~0#1); 218644#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 218624#L336 assume !(0 != eval_~tmp___0~0#1); 214315#L332 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 214311#L351 assume !(0 != eval_~tmp___1~0#1); 214307#L347 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 214293#L366 assume !(0 != eval_~tmp___2~0#1); 214305#L362 assume !(0 == ~r_st~0); 204633#L377 [2022-11-20 11:11:08,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:08,997 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-11-20 11:11:08,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:08,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702287712] [2022-11-20 11:11:08,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:08,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:09,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:09,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:09,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:09,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1628767882, now seen corresponding path program 1 times [2022-11-20 11:11:09,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:09,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921098927] [2022-11-20 11:11:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:09,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:09,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:09,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:11:09,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2080851842, now seen corresponding path program 1 times [2022-11-20 11:11:09,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:11:09,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291778483] [2022-11-20 11:11:09,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:11:09,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:11:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:09,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:09,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:11:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:10,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:11:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:11:10,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:11:10 BoogieIcfgContainer [2022-11-20 11:11:10,878 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:11:10,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:11:10,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:11:10,879 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:11:10,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:49" (3/4) ... [2022-11-20 11:11:10,883 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 11:11:10,971 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:11:10,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:11:10,972 INFO L158 Benchmark]: Toolchain (without parser) took 22923.43ms. Allocated memory was 172.0MB in the beginning and 1.0GB in the end (delta: 834.7MB). Free memory was 140.1MB in the beginning and 627.4MB in the end (delta: -487.3MB). Peak memory consumption was 349.0MB. Max. memory is 16.1GB. [2022-11-20 11:11:10,973 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 172.0MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:11:10,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.15ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 125.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:11:10,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.16ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 123.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:11:10,975 INFO L158 Benchmark]: Boogie Preprocessor took 39.74ms. Allocated memory is still 172.0MB. Free memory was 123.3MB in the beginning and 121.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:11:10,975 INFO L158 Benchmark]: RCFGBuilder took 890.69ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 97.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 11:11:10,975 INFO L158 Benchmark]: BuchiAutomizer took 21378.48ms. Allocated memory was 172.0MB in the beginning and 1.0GB in the end (delta: 834.7MB). Free memory was 97.5MB in the beginning and 632.6MB in the end (delta: -535.1MB). Peak memory consumption was 302.9MB. Max. memory is 16.1GB. [2022-11-20 11:11:10,976 INFO L158 Benchmark]: Witness Printer took 92.62ms. Allocated memory is still 1.0GB. Free memory was 632.6MB in the beginning and 627.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:11:10,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 172.0MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.15ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 125.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.16ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 123.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.74ms. Allocated memory is still 172.0MB. Free memory was 123.3MB in the beginning and 121.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 890.69ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 97.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 21378.48ms. Allocated memory was 172.0MB in the beginning and 1.0GB in the end (delta: 834.7MB). Free memory was 97.5MB in the beginning and 632.6MB in the end (delta: -535.1MB). Peak memory consumption was 302.9MB. Max. memory is 16.1GB. * Witness Printer took 92.62ms. Allocated memory is still 1.0GB. Free memory was 632.6MB in the beginning and 627.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 20 terminating modules (16 trivial, 4 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_wl + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_wl + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_e + 1 and consists of 3 locations. One deterministic module has affine ranking function -2 * wl_pc + 1 and consists of 4 locations. 16 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 31797 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.1s and 17 iterations. TraceHistogramMax:2. Analysis of lassos took 12.3s. Construction of modules took 0.5s. Büchi inclusion checks took 7.0s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 11. Automata minimization 3.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 3125 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 1.7s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4666 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4662 mSDsluCounter, 8359 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3417 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 459 IncrementalHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 4942 mSDtfsCounter, 459 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc2 concLT2 SILN1 SILU0 SILI7 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp12 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf100 smp100 dnf211 smp56 tf109 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 27 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 294]: 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] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] 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] [L404] 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] [L415] COND TRUE (int )wl_i == 1 [L416] 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] [L420] COND TRUE (int )c1_i == 1 [L421] 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] [L425] COND TRUE (int )c2_i == 1 [L426] 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] [L430] COND TRUE (int )wb_i == 1 [L431] 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] [L435] COND FALSE !((int )r_i == 1) [L438] 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] [L440] 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] [L445] 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] [L450] 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] [L455] 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] [L460] 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] [L465] 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] [L473] 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] [L483] 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] [L492] 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] [L501] 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] [L510] 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] [L515] 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] [L520] 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] [L525] 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] [L530] 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] [L535] 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] [L541] 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] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] 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: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 294]: 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] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] 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] [L404] 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] [L415] COND TRUE (int )wl_i == 1 [L416] 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] [L420] COND TRUE (int )c1_i == 1 [L421] 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] [L425] COND TRUE (int )c2_i == 1 [L426] 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] [L430] COND TRUE (int )wb_i == 1 [L431] 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] [L435] COND FALSE !((int )r_i == 1) [L438] 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] [L440] 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] [L445] 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] [L450] 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] [L455] 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] [L460] 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] [L465] 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] [L473] 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] [L483] 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] [L492] 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] [L501] 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] [L510] 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] [L515] 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] [L520] 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] [L525] 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] [L530] 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] [L535] 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] [L541] 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] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] 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: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 11:11:11,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce39364c-2cf3-4079-ad47-8fc0c199f7fe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)