./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy2.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 12:34:40,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:34:40,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:34:40,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:34:40,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:34:40,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:34:40,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:34:40,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:34:40,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:34:40,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:34:40,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:34:40,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:34:40,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:34:40,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:34:40,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:34:40,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:34:40,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:34:40,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:34:40,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:34:40,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:34:40,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:34:40,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:34:40,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:34:40,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:34:40,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:34:40,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:34:40,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:34:40,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:34:40,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:34:40,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:34:40,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:34:40,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:34:40,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:34:40,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:34:40,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:34:40,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:34:40,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:34:40,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:34:40,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:34:40,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:34:40,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:34:40,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:34:40,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:34:40,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:34:40,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:34:40,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:34:40,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:34:40,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:34:40,747 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:34:40,748 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:34:40,748 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:34:40,748 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:34:40,748 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:34:40,749 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:34:40,749 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:34:40,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:34:40,750 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:34:40,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:34:40,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:34:40,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:34:40,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:34:40,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:34:40,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:34:40,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:34:40,752 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:34:40,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:34:40,752 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:34:40,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:34:40,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:34:40,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:34:40,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:34:40,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:34:40,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:34:40,755 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:34:40,755 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_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 [2022-11-16 12:34:40,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:34:41,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:34:41,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:34:41,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:34:41,035 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:34:41,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/systemc/toy2.cil.c [2022-11-16 12:34:41,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/data/8e13f36d0/8f535293a70a4ea59517ceb017fe2413/FLAG1f5d2a11a [2022-11-16 12:34:41,601 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:34:41,602 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/sv-benchmarks/c/systemc/toy2.cil.c [2022-11-16 12:34:41,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/data/8e13f36d0/8f535293a70a4ea59517ceb017fe2413/FLAG1f5d2a11a [2022-11-16 12:34:41,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/data/8e13f36d0/8f535293a70a4ea59517ceb017fe2413 [2022-11-16 12:34:41,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:34:41,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:34:41,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:34:41,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:34:41,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:34:41,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:34:41" (1/1) ... [2022-11-16 12:34:41,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42059fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:41, skipping insertion in model container [2022-11-16 12:34:41,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:34:41" (1/1) ... [2022-11-16 12:34:41,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:34:42,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:34:42,206 WARN L229 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_cf042829-5b8e-4616-a235-35975bf6db3b/sv-benchmarks/c/systemc/toy2.cil.c[698,711] [2022-11-16 12:34:42,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:34:42,278 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:34:42,289 WARN L229 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_cf042829-5b8e-4616-a235-35975bf6db3b/sv-benchmarks/c/systemc/toy2.cil.c[698,711] [2022-11-16 12:34:42,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:34:42,338 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:34:42,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42 WrapperNode [2022-11-16 12:34:42,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:34:42,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:34:42,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:34:42,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:34:42,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,385 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 356 [2022-11-16 12:34:42,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:34:42,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:34:42,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:34:42,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:34:42,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,418 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:34:42,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:34:42,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:34:42,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:34:42,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (1/1) ... [2022-11-16 12:34:42,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:42,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:42,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:42,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:34:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:34:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:34:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:34:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:34:42,647 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:34:42,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:34:43,180 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:34:43,190 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:34:43,195 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-16 12:34:43,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:34:43 BoogieIcfgContainer [2022-11-16 12:34:43,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:34:43,204 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:34:43,205 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:34:43,210 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:34:43,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:34:43,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:34:41" (1/3) ... [2022-11-16 12:34:43,214 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1daa0380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:34:43, skipping insertion in model container [2022-11-16 12:34:43,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:34:43,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:42" (2/3) ... [2022-11-16 12:34:43,215 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1daa0380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:34:43, skipping insertion in model container [2022-11-16 12:34:43,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:34:43,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:34:43" (3/3) ... [2022-11-16 12:34:43,218 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy2.cil.c [2022-11-16 12:34:43,281 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:34:43,281 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:34:43,282 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:34:43,282 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:34:43,282 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:34:43,282 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:34:43,282 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:34:43,283 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:34:43,288 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) [2022-11-16 12:34:43,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-16 12:34:43,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:43,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:43,324 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] [2022-11-16 12:34:43,325 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] [2022-11-16 12:34:43,325 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:34:43,326 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) [2022-11-16 12:34:43,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-16 12:34:43,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:43,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:43,336 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] [2022-11-16 12:34:43,336 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] [2022-11-16 12:34:43,345 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:43,346 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 [2022-11-16 12:34:43,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:43,353 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-11-16 12:34:43,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:43,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796391534] [2022-11-16 12:34:43,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:43,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:43,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796391534] [2022-11-16 12:34:43,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796391534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:43,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:43,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:43,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202015469] [2022-11-16 12:34:43,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:43,727 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:43,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1920133393, now seen corresponding path program 1 times [2022-11-16 12:34:43,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:43,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153802015] [2022-11-16 12:34:43,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:43,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:43,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153802015] [2022-11-16 12:34:43,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153802015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:43,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:43,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:34:43,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553301422] [2022-11-16 12:34:43,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:43,757 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:43,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:43,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:34:43,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:34:43,800 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) [2022-11-16 12:34:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:43,820 INFO L93 Difference]: Finished difference Result 129 states and 222 transitions. [2022-11-16 12:34:43,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 222 transitions. [2022-11-16 12:34:43,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-16 12:34:43,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 124 states and 217 transitions. [2022-11-16 12:34:43,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-16 12:34:43,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-16 12:34:43,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 217 transitions. [2022-11-16 12:34:43,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:43,840 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-16 12:34:43,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 217 transitions. [2022-11-16 12:34:43,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-16 12:34:43,867 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) [2022-11-16 12:34:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 217 transitions. [2022-11-16 12:34:43,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-16 12:34:43,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:34:43,882 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-16 12:34:43,882 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:34:43,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 217 transitions. [2022-11-16 12:34:43,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-16 12:34:43,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:43,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:43,886 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:43,886 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] [2022-11-16 12:34:43,887 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:43,887 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 [2022-11-16 12:34:43,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:43,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-11-16 12:34:43,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:43,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481438877] [2022-11-16 12:34:43,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:43,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481438877] [2022-11-16 12:34:44,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481438877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:44,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621556361] [2022-11-16 12:34:44,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,058 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:44,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,059 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 1 times [2022-11-16 12:34:44,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228982086] [2022-11-16 12:34:44,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228982086] [2022-11-16 12:34:44,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228982086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:44,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077620999] [2022-11-16 12:34:44,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,096 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:44,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:44,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:44,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:44,097 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) [2022-11-16 12:34:44,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:44,121 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2022-11-16 12:34:44,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 216 transitions. [2022-11-16 12:34:44,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-16 12:34:44,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 216 transitions. [2022-11-16 12:34:44,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-16 12:34:44,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-16 12:34:44,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 216 transitions. [2022-11-16 12:34:44,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:44,128 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-16 12:34:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 216 transitions. [2022-11-16 12:34:44,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-16 12:34:44,134 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) [2022-11-16 12:34:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 216 transitions. [2022-11-16 12:34:44,136 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-16 12:34:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:44,137 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-16 12:34:44,137 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:34:44,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 216 transitions. [2022-11-16 12:34:44,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-16 12:34:44,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:44,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:44,140 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:44,141 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] [2022-11-16 12:34:44,141 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:44,141 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 [2022-11-16 12:34:44,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-11-16 12:34:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387826384] [2022-11-16 12:34:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387826384] [2022-11-16 12:34:44,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387826384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:44,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030020699] [2022-11-16 12:34:44,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,200 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,201 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 2 times [2022-11-16 12:34:44,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059037817] [2022-11-16 12:34:44,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059037817] [2022-11-16 12:34:44,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059037817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:44,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488657496] [2022-11-16 12:34:44,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,247 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:44,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:44,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:44,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:44,248 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) [2022-11-16 12:34:44,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:44,280 INFO L93 Difference]: Finished difference Result 124 states and 215 transitions. [2022-11-16 12:34:44,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 215 transitions. [2022-11-16 12:34:44,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-16 12:34:44,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 215 transitions. [2022-11-16 12:34:44,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-16 12:34:44,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-16 12:34:44,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 215 transitions. [2022-11-16 12:34:44,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:44,285 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-16 12:34:44,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 215 transitions. [2022-11-16 12:34:44,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-16 12:34:44,304 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) [2022-11-16 12:34:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 215 transitions. [2022-11-16 12:34:44,305 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-16 12:34:44,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:44,310 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-16 12:34:44,311 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:34:44,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 215 transitions. [2022-11-16 12:34:44,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-16 12:34:44,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:44,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:44,318 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] [2022-11-16 12:34:44,319 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] [2022-11-16 12:34:44,319 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:44,319 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 [2022-11-16 12:34:44,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-11-16 12:34:44,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942368958] [2022-11-16 12:34:44,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942368958] [2022-11-16 12:34:44,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942368958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:44,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673419433] [2022-11-16 12:34:44,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,388 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:44,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,389 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 3 times [2022-11-16 12:34:44,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494168252] [2022-11-16 12:34:44,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494168252] [2022-11-16 12:34:44,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494168252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:44,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488492974] [2022-11-16 12:34:44,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,437 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:44,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:44,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:44,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:44,443 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) [2022-11-16 12:34:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:44,465 INFO L93 Difference]: Finished difference Result 124 states and 214 transitions. [2022-11-16 12:34:44,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 214 transitions. [2022-11-16 12:34:44,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-16 12:34:44,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 214 transitions. [2022-11-16 12:34:44,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-16 12:34:44,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-16 12:34:44,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 214 transitions. [2022-11-16 12:34:44,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:44,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-16 12:34:44,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 214 transitions. [2022-11-16 12:34:44,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-16 12:34:44,474 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) [2022-11-16 12:34:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 214 transitions. [2022-11-16 12:34:44,475 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-16 12:34:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:44,476 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-16 12:34:44,476 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:34:44,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 214 transitions. [2022-11-16 12:34:44,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-16 12:34:44,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:44,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:44,478 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] [2022-11-16 12:34:44,478 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] [2022-11-16 12:34:44,479 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:44,479 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 [2022-11-16 12:34:44,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-11-16 12:34:44,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375354295] [2022-11-16 12:34:44,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:44,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:44,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:44,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 4 times [2022-11-16 12:34:44,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873921057] [2022-11-16 12:34:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873921057] [2022-11-16 12:34:44,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873921057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:44,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561438534] [2022-11-16 12:34:44,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,602 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:44,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:44,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:44,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:44,604 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) [2022-11-16 12:34:44,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:44,650 INFO L93 Difference]: Finished difference Result 156 states and 274 transitions. [2022-11-16 12:34:44,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 274 transitions. [2022-11-16 12:34:44,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2022-11-16 12:34:44,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 274 transitions. [2022-11-16 12:34:44,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2022-11-16 12:34:44,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2022-11-16 12:34:44,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 274 transitions. [2022-11-16 12:34:44,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:44,666 INFO L218 hiAutomatonCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-16 12:34:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 274 transitions. [2022-11-16 12:34:44,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-16 12:34:44,677 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) [2022-11-16 12:34:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 274 transitions. [2022-11-16 12:34:44,681 INFO L240 hiAutomatonCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-16 12:34:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:44,683 INFO L428 stractBuchiCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-16 12:34:44,685 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:34:44,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 274 transitions. [2022-11-16 12:34:44,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2022-11-16 12:34:44,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:44,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:44,690 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] [2022-11-16 12:34:44,692 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] [2022-11-16 12:34:44,693 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:44,694 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 [2022-11-16 12:34:44,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,696 INFO L85 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2022-11-16 12:34:44,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55543384] [2022-11-16 12:34:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55543384] [2022-11-16 12:34:44,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55543384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:34:44,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811390496] [2022-11-16 12:34:44,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,789 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:44,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:44,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 1 times [2022-11-16 12:34:44,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:44,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156378987] [2022-11-16 12:34:44,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:44,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:44,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:44,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156378987] [2022-11-16 12:34:44,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156378987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:44,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:44,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:44,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485012658] [2022-11-16 12:34:44,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:44,825 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:44,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:34:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:34:44,826 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) [2022-11-16 12:34:44,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:44,970 INFO L93 Difference]: Finished difference Result 285 states and 492 transitions. [2022-11-16 12:34:44,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 492 transitions. [2022-11-16 12:34:44,973 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2022-11-16 12:34:44,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 492 transitions. [2022-11-16 12:34:44,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2022-11-16 12:34:44,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2022-11-16 12:34:44,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 492 transitions. [2022-11-16 12:34:44,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:44,976 INFO L218 hiAutomatonCegarLoop]: Abstraction has 285 states and 492 transitions. [2022-11-16 12:34:44,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 492 transitions. [2022-11-16 12:34:44,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 273. [2022-11-16 12:34:44,990 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) [2022-11-16 12:34:44,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 474 transitions. [2022-11-16 12:34:44,992 INFO L240 hiAutomatonCegarLoop]: Abstraction has 273 states and 474 transitions. [2022-11-16 12:34:44,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:34:44,996 INFO L428 stractBuchiCegarLoop]: Abstraction has 273 states and 474 transitions. [2022-11-16 12:34:44,996 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:34:44,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 474 transitions. [2022-11-16 12:34:44,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2022-11-16 12:34:44,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:44,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:45,000 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] [2022-11-16 12:34:45,000 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] [2022-11-16 12:34:45,001 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:45,001 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 [2022-11-16 12:34:45,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:45,001 INFO L85 PathProgramCache]: Analyzing trace with hash 198346715, now seen corresponding path program 1 times [2022-11-16 12:34:45,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:45,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304677114] [2022-11-16 12:34:45,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:45,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:45,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304677114] [2022-11-16 12:34:45,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304677114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:45,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:45,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:45,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159659088] [2022-11-16 12:34:45,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:45,040 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:45,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:45,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 2 times [2022-11-16 12:34:45,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:45,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083376588] [2022-11-16 12:34:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:45,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:45,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:45,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083376588] [2022-11-16 12:34:45,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083376588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:45,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:45,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:45,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200496124] [2022-11-16 12:34:45,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:45,061 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:45,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:45,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:45,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:45,062 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) [2022-11-16 12:34:45,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:45,098 INFO L93 Difference]: Finished difference Result 369 states and 630 transitions. [2022-11-16 12:34:45,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 630 transitions. [2022-11-16 12:34:45,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2022-11-16 12:34:45,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 369 states and 630 transitions. [2022-11-16 12:34:45,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 369 [2022-11-16 12:34:45,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2022-11-16 12:34:45,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 630 transitions. [2022-11-16 12:34:45,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:45,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-16 12:34:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states and 630 transitions. [2022-11-16 12:34:45,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2022-11-16 12:34:45,123 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) [2022-11-16 12:34:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 630 transitions. [2022-11-16 12:34:45,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-16 12:34:45,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:45,127 INFO L428 stractBuchiCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-16 12:34:45,127 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:34:45,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 369 states and 630 transitions. [2022-11-16 12:34:45,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2022-11-16 12:34:45,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:45,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:45,131 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] [2022-11-16 12:34:45,131 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] [2022-11-16 12:34:45,132 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:45,132 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 [2022-11-16 12:34:45,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:45,133 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2022-11-16 12:34:45,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:45,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514542318] [2022-11-16 12:34:45,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:45,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:45,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:45,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514542318] [2022-11-16 12:34:45,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514542318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:45,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:45,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:34:45,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033577206] [2022-11-16 12:34:45,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:45,205 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:45,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1473618571, now seen corresponding path program 1 times [2022-11-16 12:34:45,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:45,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578507559] [2022-11-16 12:34:45,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:45,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:45,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:45,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:45,534 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:34:45,540 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:34:45,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:34:45,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:34:45,541 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:34:45,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:45,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:34:45,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:34:45,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2022-11-16 12:34:45,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:34:45,550 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:34:45,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:45,936 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:34:45,937 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:34:45,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:45,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:45,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:45,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:34:45,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:45,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:45,978 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:45,978 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:45,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:45,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:45,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:34:46,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:46,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:46,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:46,102 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: [] [2022-11-16 12:34:46,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:46,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:46,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:34:46,151 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:46,151 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:46,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:46,165 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:46,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:34:46,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:46,187 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: [] [2022-11-16 12:34:46,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,203 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:46,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:46,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:34:46,230 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:46,230 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:46,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:46,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:46,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:34:46,270 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:46,270 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: [] [2022-11-16 12:34:46,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-16 12:34:46,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,277 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:46,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:46,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:34:46,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,319 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:34:46,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:46,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:34:46,363 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:34:46,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,376 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:34:46,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:34:46,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:34:46,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:34:46,377 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:34:46,377 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,377 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:34:46,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:34:46,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2022-11-16 12:34:46,377 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:34:46,377 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:34:46,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,434 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,447 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,450 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:46,766 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:34:46,770 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:34:46,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,773 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:34:46,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:34:46,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:46,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:46,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:46,801 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:46,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:46,804 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:46,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:46,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:46,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,824 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:34:46,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:46,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:46,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:46,854 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:46,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:46,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:46,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:46,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:34:46,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:46,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,877 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,885 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 [2022-11-16 12:34:46,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:34:46,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:46,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:46,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:46,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:46,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:46,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:46,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:46,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:46,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:34:46,928 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 [2022-11-16 12:34:46,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:46,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:46,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:46,940 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:46,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:46,942 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:46,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:46,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:46,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:46,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:46,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:46,961 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:46,970 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 [2022-11-16 12:34:46,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:46,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:46,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:46,984 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:46,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:46,987 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:46,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:46,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:34:46,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:47,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:47,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:47,009 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:47,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:34:47,013 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 [2022-11-16 12:34:47,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:47,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:47,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:47,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:47,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:47,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:47,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:47,050 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:34:47,054 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:34:47,054 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:34:47,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:47,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:47,057 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:47,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:34:47,064 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:34:47,064 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:34:47,065 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2022-11-16 12:34:47,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:34:47,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:47,077 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:34:47,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:47,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:34:47,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:47,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:34:47,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:47,318 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 [2022-11-16 12:34:47,320 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) [2022-11-16 12:34:47,439 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. [2022-11-16 12:34:47,440 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 [2022-11-16 12:34:47,445 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) [2022-11-16 12:34:47,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2022-11-16 12:34:47,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-16 12:34:47,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:47,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-16 12:34:47,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:47,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-16 12:34:47,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:47,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1270 states and 2159 transitions. [2022-11-16 12:34:47,470 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 869 [2022-11-16 12:34:47,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1270 states to 1267 states and 2153 transitions. [2022-11-16 12:34:47,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 955 [2022-11-16 12:34:47,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 972 [2022-11-16 12:34:47,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1267 states and 2153 transitions. [2022-11-16 12:34:47,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:47,483 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1267 states and 2153 transitions. [2022-11-16 12:34:47,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states and 2153 transitions. [2022-11-16 12:34:47,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:47,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 952. [2022-11-16 12:34:47,538 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) [2022-11-16 12:34:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1625 transitions. [2022-11-16 12:34:47,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 952 states and 1625 transitions. [2022-11-16 12:34:47,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:47,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:34:47,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:34:47,544 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) [2022-11-16 12:34:47,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:47,666 INFO L93 Difference]: Finished difference Result 1170 states and 1981 transitions. [2022-11-16 12:34:47,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1170 states and 1981 transitions. [2022-11-16 12:34:47,675 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 691 [2022-11-16 12:34:47,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1170 states to 1170 states and 1981 transitions. [2022-11-16 12:34:47,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 811 [2022-11-16 12:34:47,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 811 [2022-11-16 12:34:47,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1170 states and 1981 transitions. [2022-11-16 12:34:47,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:47,684 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1170 states and 1981 transitions. [2022-11-16 12:34:47,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states and 1981 transitions. [2022-11-16 12:34:47,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1149. [2022-11-16 12:34:47,704 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) [2022-11-16 12:34:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1959 transitions. [2022-11-16 12:34:47,709 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2022-11-16 12:34:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:34:47,710 INFO L428 stractBuchiCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2022-11-16 12:34:47,710 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-16 12:34:47,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1149 states and 1959 transitions. [2022-11-16 12:34:47,716 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 687 [2022-11-16 12:34:47,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:47,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:47,717 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] [2022-11-16 12:34:47,717 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] [2022-11-16 12:34:47,717 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:47,717 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 [2022-11-16 12:34:47,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:47,718 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2022-11-16 12:34:47,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:47,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361563736] [2022-11-16 12:34:47,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:47,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:47,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:47,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361563736] [2022-11-16 12:34:47,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361563736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:47,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:47,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:47,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453337784] [2022-11-16 12:34:47,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:47,788 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:47,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1784107586, now seen corresponding path program 1 times [2022-11-16 12:34:47,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:47,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991094344] [2022-11-16 12:34:47,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:47,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:47,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:47,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991094344] [2022-11-16 12:34:47,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991094344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:47,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:47,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:34:47,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911467887] [2022-11-16 12:34:47,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:47,825 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:47,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:47,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:34:47,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:34:47,826 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) [2022-11-16 12:34:47,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:47,917 INFO L93 Difference]: Finished difference Result 1915 states and 3215 transitions. [2022-11-16 12:34:47,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1915 states and 3215 transitions. [2022-11-16 12:34:47,930 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 979 [2022-11-16 12:34:47,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1915 states to 1915 states and 3215 transitions. [2022-11-16 12:34:47,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1280 [2022-11-16 12:34:47,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1280 [2022-11-16 12:34:47,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1915 states and 3215 transitions. [2022-11-16 12:34:47,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:47,943 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1915 states and 3215 transitions. [2022-11-16 12:34:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states and 3215 transitions. [2022-11-16 12:34:47,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1427. [2022-11-16 12:34:47,968 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) [2022-11-16 12:34:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2022-11-16 12:34:47,973 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-16 12:34:47,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:34:47,974 INFO L428 stractBuchiCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-16 12:34:47,975 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-16 12:34:47,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1427 states and 2417 transitions. [2022-11-16 12:34:47,981 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 789 [2022-11-16 12:34:47,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:47,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:47,986 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] [2022-11-16 12:34:47,986 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] [2022-11-16 12:34:47,987 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:47,987 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 [2022-11-16 12:34:47,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:47,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2560361, now seen corresponding path program 1 times [2022-11-16 12:34:47,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:47,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299209977] [2022-11-16 12:34:47,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:47,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:48,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:48,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299209977] [2022-11-16 12:34:48,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299209977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:48,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:48,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:34:48,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013881606] [2022-11-16 12:34:48,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:48,050 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:48,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:48,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1234847865, now seen corresponding path program 1 times [2022-11-16 12:34:48,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:48,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869159599] [2022-11-16 12:34:48,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:48,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:48,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:48,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:48,291 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:34:48,291 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:34:48,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:34:48,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:34:48,291 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:34:48,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,292 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:34:48,292 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:34:48,292 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2022-11-16 12:34:48,292 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:34:48,292 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:34:48,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,332 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:48,627 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:34:48,627 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:34:48,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,631 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:34:48,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,662 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,662 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:48,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:48,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,667 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:34:48,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,689 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,689 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:48,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:48,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,693 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:34:48,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,709 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,709 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: [] [2022-11-16 12:34:48,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:48,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,713 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:34:48,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,732 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,732 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: [] [2022-11-16 12:34:48,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-16 12:34:48,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,740 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:34:48,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,774 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,774 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:48,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:48,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,784 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:34:48,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,811 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: [] [2022-11-16 12:34:48,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:48,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,821 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:34:48,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,860 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,860 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: [] [2022-11-16 12:34:48,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:48,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,865 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,873 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:34:48,899 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,899 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: [] [2022-11-16 12:34:48,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:48,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,926 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:48,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:34:48,975 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:48,975 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:48,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:48,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:48,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:48,985 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:48,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:48,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:49,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:34:49,011 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:49,011 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:49,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,024 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:49,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:49,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:34:49,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,055 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:34:49,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:49,082 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:34:49,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,087 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:34:49,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:34:49,087 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:34:49,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:34:49,087 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:34:49,088 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,088 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:34:49,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:34:49,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2022-11-16 12:34:49,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:34:49,088 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:34:49,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:34:49,101 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,162 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:49,407 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:34:49,408 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:34:49,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,411 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,416 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 [2022-11-16 12:34:49,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:34:49,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,429 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:49,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,430 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:49,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,460 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,464 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 [2022-11-16 12:34:49,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,476 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:49,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,477 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:49,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:34:49,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,496 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,500 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 [2022-11-16 12:34:49,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:49,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:49,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:34:49,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,527 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,531 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 [2022-11-16 12:34:49,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:34:49,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:49,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:49,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,560 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,567 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 [2022-11-16 12:34:49,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:49,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:49,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:34:49,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,600 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,603 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 [2022-11-16 12:34:49,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,616 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:49,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,617 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:49,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:34:49,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,638 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,643 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 [2022-11-16 12:34:49,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:34:49,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:49,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:49,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,684 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:34:49,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:49,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:49,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:34:49,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,724 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,728 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 [2022-11-16 12:34:49,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,741 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:49,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:49,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 12:34:49,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,761 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,764 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 [2022-11-16 12:34:49,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,777 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:49,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,778 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:49,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 12:34:49,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:49,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,806 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,810 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 [2022-11-16 12:34:49,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:49,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:49,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:49,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:49,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:49,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:49,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:49,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 12:34:49,835 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:34:49,839 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:34:49,840 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:34:49,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:49,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:49,841 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:49,853 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:34:49,853 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:34:49,853 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:34:49,854 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2022-11-16 12:34:49,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 12:34:49,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,863 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:34:49,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:49,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:34:49,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:49,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:49,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:34:49,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:50,028 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 [2022-11-16 12:34:50,029 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) [2022-11-16 12:34:50,077 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. [2022-11-16 12:34:50,078 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 [2022-11-16 12:34:50,078 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) [2022-11-16 12:34:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2022-11-16 12:34:50,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-16 12:34:50,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:50,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-16 12:34:50,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:50,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-16 12:34:50,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:50,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2780 states and 4700 transitions. [2022-11-16 12:34:50,098 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1578 [2022-11-16 12:34:50,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2780 states to 2777 states and 4694 transitions. [2022-11-16 12:34:50,113 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1861 [2022-11-16 12:34:50,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1884 [2022-11-16 12:34:50,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2777 states and 4694 transitions. [2022-11-16 12:34:50,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:50,116 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2777 states and 4694 transitions. [2022-11-16 12:34:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states and 4694 transitions. [2022-11-16 12:34:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 1427. [2022-11-16 12:34:50,147 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) [2022-11-16 12:34:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2022-11-16 12:34:50,152 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-16 12:34:50,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:50,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:34:50,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:34:50,153 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) [2022-11-16 12:34:50,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:50,226 INFO L93 Difference]: Finished difference Result 1824 states and 2961 transitions. [2022-11-16 12:34:50,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1824 states and 2961 transitions. [2022-11-16 12:34:50,237 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1192 [2022-11-16 12:34:50,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1824 states to 1290 states and 2103 transitions. [2022-11-16 12:34:50,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1290 [2022-11-16 12:34:50,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1290 [2022-11-16 12:34:50,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1290 states and 2103 transitions. [2022-11-16 12:34:50,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:50,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1290 states and 2103 transitions. [2022-11-16 12:34:50,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states and 2103 transitions. [2022-11-16 12:34:50,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1003. [2022-11-16 12:34:50,267 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) [2022-11-16 12:34:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1639 transitions. [2022-11-16 12:34:50,271 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2022-11-16 12:34:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:34:50,271 INFO L428 stractBuchiCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2022-11-16 12:34:50,272 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-16 12:34:50,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1003 states and 1639 transitions. [2022-11-16 12:34:50,276 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 928 [2022-11-16 12:34:50,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:50,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:50,277 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] [2022-11-16 12:34:50,277 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] [2022-11-16 12:34:50,277 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:50,278 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 [2022-11-16 12:34:50,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:50,278 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2022-11-16 12:34:50,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:50,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958665197] [2022-11-16 12:34:50,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:50,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:50,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:50,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:50,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:50,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1197301634, now seen corresponding path program 1 times [2022-11-16 12:34:50,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:50,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329435648] [2022-11-16 12:34:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:50,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:50,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:50,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329435648] [2022-11-16 12:34:50,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329435648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:50,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:50,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:34:50,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920088390] [2022-11-16 12:34:50,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:50,314 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:34:50,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:50,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:50,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:50,314 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) [2022-11-16 12:34:50,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:50,345 INFO L93 Difference]: Finished difference Result 1585 states and 2559 transitions. [2022-11-16 12:34:50,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1585 states and 2559 transitions. [2022-11-16 12:34:50,355 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2022-11-16 12:34:50,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1585 states to 1585 states and 2559 transitions. [2022-11-16 12:34:50,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1585 [2022-11-16 12:34:50,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1585 [2022-11-16 12:34:50,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1585 states and 2559 transitions. [2022-11-16 12:34:50,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:34:50,368 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-16 12:34:50,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states and 2559 transitions. [2022-11-16 12:34:50,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1585. [2022-11-16 12:34:50,393 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) [2022-11-16 12:34:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2559 transitions. [2022-11-16 12:34:50,399 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-16 12:34:50,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:50,399 INFO L428 stractBuchiCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-16 12:34:50,400 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-16 12:34:50,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1585 states and 2559 transitions. [2022-11-16 12:34:50,407 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2022-11-16 12:34:50,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:50,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:50,408 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] [2022-11-16 12:34:50,408 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] [2022-11-16 12:34:50,408 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:50,409 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 [2022-11-16 12:34:50,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:50,409 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 3 times [2022-11-16 12:34:50,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:50,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169443995] [2022-11-16 12:34:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:50,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:50,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:50,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:50,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:50,434 INFO L85 PathProgramCache]: Analyzing trace with hash -869781309, now seen corresponding path program 1 times [2022-11-16 12:34:50,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:50,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349463012] [2022-11-16 12:34:50,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:50,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:50,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:50,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:50,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:50,445 INFO L85 PathProgramCache]: Analyzing trace with hash 44318509, now seen corresponding path program 1 times [2022-11-16 12:34:50,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:50,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263060808] [2022-11-16 12:34:50,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:50,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:50,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263060808] [2022-11-16 12:34:50,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263060808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:50,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:50,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:50,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169489904] [2022-11-16 12:34:50,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:50,721 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:34:50,721 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:34:50,721 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:34:50,721 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:34:50,722 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:34:50,722 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:50,722 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:34:50,722 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:34:50,722 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2022-11-16 12:34:50,722 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:34:50,722 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:34:50,724 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,751 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:50,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,074 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:34:51,075 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:34:51,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,078 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:51,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:51,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 12:34:51,109 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:51,109 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:51,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,119 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:51,124 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:51,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 12:34:51,147 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:51,147 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_wl~0=-1} Honda state: {~e_wl~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:51,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,153 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:51,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:51,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 12:34:51,183 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:51,183 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: [] [2022-11-16 12:34:51,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,188 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:51,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:51,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 12:34:51,209 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:51,209 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: [] [2022-11-16 12:34:51,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,214 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:51,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:51,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 12:34:51,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,241 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 12:34:51,244 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:34:51,244 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:51,257 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:34:51,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-16 12:34:51,259 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:34:51,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:34:51,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:34:51,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:34:51,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:34:51,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:34:51,260 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:34:51,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2022-11-16 12:34:51,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:34:51,260 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:34:51,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,310 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,343 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:51,605 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:34:51,605 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:34:51,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,607 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,616 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 [2022-11-16 12:34:51,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 12:34:51,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:51,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:51,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:51,627 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:51,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:51,628 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:51,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:51,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:51,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,649 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:34:51,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:51,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:51,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:51,665 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:51,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:51,666 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:51,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:51,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 12:34:51,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:51,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,684 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 12:34:51,687 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 [2022-11-16 12:34:51,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:51,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:51,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:51,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:51,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:51,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:51,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:51,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:51,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,714 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,719 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 [2022-11-16 12:34:51,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:51,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:51,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:51,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:51,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:51,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:51,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:51,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 12:34:51,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:51,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,756 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,763 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 [2022-11-16 12:34:51,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:51,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:51,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:51,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:51,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:51,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:51,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:51,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 12:34:51,791 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:34:51,793 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:34:51,794 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:34:51,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:51,796 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:51,799 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:34:51,799 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:34:51,800 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:34:51,800 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2022-11-16 12:34:51,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-16 12:34:51,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,804 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:34:51,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:51,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:51,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:34:51,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:51,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:34:51,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:52,004 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 [2022-11-16 12:34:52,005 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) [2022-11-16 12:34:52,054 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. [2022-11-16 12:34:52,055 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 [2022-11-16 12:34:52,055 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) [2022-11-16 12:34:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2022-11-16 12:34:52,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 24 letters. Loop has 29 letters. [2022-11-16 12:34:52,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:52,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 53 letters. Loop has 29 letters. [2022-11-16 12:34:52,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:52,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 24 letters. Loop has 58 letters. [2022-11-16 12:34:52,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:52,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4213 states and 6824 transitions. [2022-11-16 12:34:52,082 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 2773 [2022-11-16 12:34:52,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4213 states to 4213 states and 6824 transitions. [2022-11-16 12:34:52,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2851 [2022-11-16 12:34:52,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2896 [2022-11-16 12:34:52,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4213 states and 6824 transitions. [2022-11-16 12:34:52,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:52,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4213 states and 6824 transitions. [2022-11-16 12:34:52,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states and 6824 transitions. [2022-11-16 12:34:52,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 4168. [2022-11-16 12:34:52,177 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) [2022-11-16 12:34:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 6748 transitions. [2022-11-16 12:34:52,189 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4168 states and 6748 transitions. [2022-11-16 12:34:52,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:52,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:52,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:52,190 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) [2022-11-16 12:34:52,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:52,224 INFO L93 Difference]: Finished difference Result 3262 states and 5294 transitions. [2022-11-16 12:34:52,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3262 states and 5294 transitions. [2022-11-16 12:34:52,241 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 2167 [2022-11-16 12:34:52,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3262 states to 3262 states and 5294 transitions. [2022-11-16 12:34:52,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2248 [2022-11-16 12:34:52,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2248 [2022-11-16 12:34:52,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3262 states and 5294 transitions. [2022-11-16 12:34:52,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:52,260 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3262 states and 5294 transitions. [2022-11-16 12:34:52,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states and 5294 transitions. [2022-11-16 12:34:52,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2914. [2022-11-16 12:34:52,356 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) [2022-11-16 12:34:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4751 transitions. [2022-11-16 12:34:52,364 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2914 states and 4751 transitions. [2022-11-16 12:34:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:52,377 INFO L428 stractBuchiCegarLoop]: Abstraction has 2914 states and 4751 transitions. [2022-11-16 12:34:52,378 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-16 12:34:52,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2914 states and 4751 transitions. [2022-11-16 12:34:52,388 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1933 [2022-11-16 12:34:52,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:52,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:52,389 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] [2022-11-16 12:34:52,390 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] [2022-11-16 12:34:52,390 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:52,395 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 [2022-11-16 12:34:52,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:52,396 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2022-11-16 12:34:52,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:52,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217753424] [2022-11-16 12:34:52,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:52,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:52,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:52,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:52,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:52,414 INFO L85 PathProgramCache]: Analyzing trace with hash 40699584, now seen corresponding path program 1 times [2022-11-16 12:34:52,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:52,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100840137] [2022-11-16 12:34:52,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:52,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:52,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:52,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:52,433 INFO L85 PathProgramCache]: Analyzing trace with hash 746346533, now seen corresponding path program 1 times [2022-11-16 12:34:52,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:52,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168751038] [2022-11-16 12:34:52,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:52,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:52,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:52,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168751038] [2022-11-16 12:34:52,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168751038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:52,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:52,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:52,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918709798] [2022-11-16 12:34:52,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:52,800 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:34:52,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:34:52,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:34:52,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:34:52,801 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:34:52,801 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:52,801 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:34:52,801 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:34:52,801 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2022-11-16 12:34:52,801 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:34:52,801 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:34:52,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,825 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,867 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,878 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:52,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,184 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:34:53,185 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:34:53,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,188 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:53,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-16 12:34:53,214 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:53,214 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:53,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,222 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:53,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-16 12:34:53,251 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:53,251 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: [] [2022-11-16 12:34:53,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,256 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,263 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:53,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-16 12:34:53,285 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:53,286 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:53,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,291 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:53,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-16 12:34:53,323 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:53,323 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: [] [2022-11-16 12:34:53,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,329 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:53,332 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-16 12:34:53,367 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:53,367 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: [] [2022-11-16 12:34:53,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,373 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:53,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-16 12:34:53,399 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:53,399 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:53,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,405 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:53,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-16 12:34:53,435 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:34:53,435 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:34:53,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,441 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:34:53,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-16 12:34:53,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,471 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:34:53,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:34:53,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-16 12:34:53,500 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:34:53,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,504 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:34:53,504 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:34:53,504 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:34:53,504 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:34:53,504 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:34:53,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,505 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:34:53,505 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:34:53,505 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2022-11-16 12:34:53,505 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:34:53,505 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:34:53,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:34:53,858 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:34:53,859 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:34:53,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,863 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,867 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 [2022-11-16 12:34:53,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:53,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:53,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:53,880 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:53,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:53,881 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:53,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:53,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-16 12:34:53,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:53,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,900 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,908 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 [2022-11-16 12:34:53,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:53,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:53,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:53,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:53,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:53,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-16 12:34:53,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:53,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:53,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:53,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,942 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,946 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 [2022-11-16 12:34:53,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-16 12:34:53,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:53,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:53,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:53,959 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:53,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:53,960 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:53,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:53,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:53,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:53,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:53,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:53,980 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:53,983 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 [2022-11-16 12:34:53,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:53,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:53,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:53,996 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:53,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:53,997 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:53,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:53,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-16 12:34:54,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:54,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:54,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:54,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:54,012 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:54,016 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 [2022-11-16 12:34:54,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:54,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:54,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:54,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:54,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:54,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:54,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:54,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-16 12:34:54,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:54,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:54,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:54,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:54,047 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:54,054 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 [2022-11-16 12:34:54,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:54,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:54,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:54,067 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:54,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:54,068 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:54,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:54,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-16 12:34:54,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:54,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:54,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:54,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:54,096 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:54,100 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 [2022-11-16 12:34:54,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:54,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:54,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:54,112 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:34:54,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:54,113 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:34:54,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:54,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-16 12:34:54,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:34:54,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:54,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:54,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:54,132 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:54,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-16 12:34:54,135 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 [2022-11-16 12:34:54,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:34:54,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:34:54,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:34:54,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:34:54,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:34:54,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:34:54,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:34:54,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:34:54,150 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:34:54,150 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:34:54,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:34:54,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:54,152 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:34:54,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-16 12:34:54,154 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:34:54,154 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:34:54,154 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:34:54,154 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2022-11-16 12:34:54,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-16 12:34:54,157 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:34:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:54,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:34:54,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:54,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:34:54,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:54,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:54,430 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 [2022-11-16 12:34:54,430 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) [2022-11-16 12:34:54,571 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. [2022-11-16 12:34:54,571 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 [2022-11-16 12:34:54,572 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) [2022-11-16 12:34:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 207 transitions. [2022-11-16 12:34:54,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 25 letters. Loop has 39 letters. [2022-11-16 12:34:54,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:54,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 64 letters. Loop has 39 letters. [2022-11-16 12:34:54,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:54,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 25 letters. Loop has 78 letters. [2022-11-16 12:34:54,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:34:54,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8628 states and 14071 transitions. [2022-11-16 12:34:54,615 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 3141 [2022-11-16 12:34:54,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8628 states to 8498 states and 13879 transitions. [2022-11-16 12:34:54,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3967 [2022-11-16 12:34:54,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3976 [2022-11-16 12:34:54,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8498 states and 13879 transitions. [2022-11-16 12:34:54,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:54,655 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8498 states and 13879 transitions. [2022-11-16 12:34:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8498 states and 13879 transitions. [2022-11-16 12:34:54,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8498 to 8239. [2022-11-16 12:34:54,853 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) [2022-11-16 12:34:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8239 states to 8239 states and 13478 transitions. [2022-11-16 12:34:54,920 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8239 states and 13478 transitions. [2022-11-16 12:34:54,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:54,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:54,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:54,921 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) [2022-11-16 12:34:54,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:54,993 INFO L93 Difference]: Finished difference Result 12698 states and 20566 transitions. [2022-11-16 12:34:54,993 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12698 states and 20566 transitions. [2022-11-16 12:34:55,050 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4978 [2022-11-16 12:34:55,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12698 states to 12698 states and 20566 transitions. [2022-11-16 12:34:55,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6011 [2022-11-16 12:34:55,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6011 [2022-11-16 12:34:55,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12698 states and 20566 transitions. [2022-11-16 12:34:55,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:55,152 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-16 12:34:55,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12698 states and 20566 transitions. [2022-11-16 12:34:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12698 to 12698. [2022-11-16 12:34:55,411 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) [2022-11-16 12:34:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12698 states to 12698 states and 20566 transitions. [2022-11-16 12:34:55,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-16 12:34:55,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:55,457 INFO L428 stractBuchiCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-16 12:34:55,457 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-16 12:34:55,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12698 states and 20566 transitions. [2022-11-16 12:34:55,507 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4978 [2022-11-16 12:34:55,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:55,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:55,508 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] [2022-11-16 12:34:55,508 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:55,509 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:55,509 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 [2022-11-16 12:34:55,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:55,510 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-11-16 12:34:55,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:55,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868742468] [2022-11-16 12:34:55,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:55,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:55,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:55,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:55,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:55,529 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 1 times [2022-11-16 12:34:55,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:55,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10881029] [2022-11-16 12:34:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:55,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:55,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:55,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:55,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1807696598, now seen corresponding path program 1 times [2022-11-16 12:34:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:55,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682334184] [2022-11-16 12:34:55,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:55,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:55,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682334184] [2022-11-16 12:34:55,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682334184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:55,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:55,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:55,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544057618] [2022-11-16 12:34:55,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:55,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:55,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:55,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:55,702 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) [2022-11-16 12:34:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:55,792 INFO L93 Difference]: Finished difference Result 19288 states and 30770 transitions. [2022-11-16 12:34:55,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19288 states and 30770 transitions. [2022-11-16 12:34:55,956 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-16 12:34:56,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19288 states to 19288 states and 30770 transitions. [2022-11-16 12:34:56,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9280 [2022-11-16 12:34:56,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9280 [2022-11-16 12:34:56,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19288 states and 30770 transitions. [2022-11-16 12:34:56,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:56,040 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-16 12:34:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19288 states and 30770 transitions. [2022-11-16 12:34:56,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19288 to 19288. [2022-11-16 12:34:56,495 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) [2022-11-16 12:34:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19288 states to 19288 states and 30770 transitions. [2022-11-16 12:34:56,574 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-16 12:34:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:56,587 INFO L428 stractBuchiCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-16 12:34:56,588 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-16 12:34:56,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19288 states and 30770 transitions. [2022-11-16 12:34:56,657 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-16 12:34:56,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:56,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:56,658 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] [2022-11-16 12:34:56,658 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:56,658 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:56,659 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 [2022-11-16 12:34:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:56,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-11-16 12:34:56,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:56,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665768496] [2022-11-16 12:34:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:56,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:56,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665768496] [2022-11-16 12:34:56,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665768496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:56,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:56,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:56,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712909717] [2022-11-16 12:34:56,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:56,696 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:34:56,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:56,697 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 2 times [2022-11-16 12:34:56,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:56,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516639663] [2022-11-16 12:34:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:56,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:56,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:56,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:56,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:56,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:56,756 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) [2022-11-16 12:34:56,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:56,937 INFO L93 Difference]: Finished difference Result 19216 states and 30651 transitions. [2022-11-16 12:34:56,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19216 states and 30651 transitions. [2022-11-16 12:34:57,063 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-16 12:34:57,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19216 states to 19216 states and 30651 transitions. [2022-11-16 12:34:57,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9211 [2022-11-16 12:34:57,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9211 [2022-11-16 12:34:57,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19216 states and 30651 transitions. [2022-11-16 12:34:57,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:57,144 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-16 12:34:57,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states and 30651 transitions. [2022-11-16 12:34:57,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 19216. [2022-11-16 12:34:57,364 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) [2022-11-16 12:34:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19216 states to 19216 states and 30651 transitions. [2022-11-16 12:34:57,538 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-16 12:34:57,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:57,538 INFO L428 stractBuchiCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-16 12:34:57,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-16 12:34:57,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19216 states and 30651 transitions. [2022-11-16 12:34:57,661 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-16 12:34:57,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:57,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:57,663 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] [2022-11-16 12:34:57,663 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:57,664 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:57,664 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 [2022-11-16 12:34:57,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:57,665 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-11-16 12:34:57,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:57,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974756414] [2022-11-16 12:34:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:57,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:57,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:57,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:57,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:57,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1853655075, now seen corresponding path program 1 times [2022-11-16 12:34:57,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:57,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374274959] [2022-11-16 12:34:57,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:57,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:57,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:57,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:57,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:57,693 INFO L85 PathProgramCache]: Analyzing trace with hash -205670443, now seen corresponding path program 1 times [2022-11-16 12:34:57,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:57,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395027391] [2022-11-16 12:34:57,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:57,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:34:57,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:57,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395027391] [2022-11-16 12:34:57,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395027391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:57,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:57,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:57,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302396645] [2022-11-16 12:34:57,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:57,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:57,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:57,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:57,794 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) [2022-11-16 12:34:57,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:57,954 INFO L93 Difference]: Finished difference Result 31797 states and 49804 transitions. [2022-11-16 12:34:57,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31797 states and 49804 transitions. [2022-11-16 12:34:58,226 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 13278 [2022-11-16 12:34:58,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31797 states to 31797 states and 49804 transitions. [2022-11-16 12:34:58,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15347 [2022-11-16 12:34:58,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15347 [2022-11-16 12:34:58,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31797 states and 49804 transitions. [2022-11-16 12:34:58,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:34:58,382 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-16 12:34:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31797 states and 49804 transitions. [2022-11-16 12:34:58,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31797 to 31797. [2022-11-16 12:34:58,832 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) [2022-11-16 12:34:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31797 states to 31797 states and 49804 transitions. [2022-11-16 12:34:58,905 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-16 12:34:58,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:58,906 INFO L428 stractBuchiCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-16 12:34:58,906 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-16 12:34:58,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31797 states and 49804 transitions. [2022-11-16 12:34:59,203 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 13278 [2022-11-16 12:34:59,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:34:59,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:34:59,204 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] [2022-11-16 12:34:59,204 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:59,204 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);~e_wl~0 := 0;~wb_i~0 := 0;~data~0 := 0;~wl_i~0 := 0;~c2_pc~0 := 0;~e_c~0 := 0;~e_e~0 := 0;~e_g~0 := 0;~e_f~0 := 0;~t_b~0 := 0;~c1_st~0 := 0;~c_t~0 := 0;~r_i~0 := 0;~wb_pc~0 := 0;~p_in~0 := 0;~wl_pc~0 := 0;~c~0 := 0;~d~0 := 0;~e_p_in~0 := 0;~c_req_up~0 := 0;~p_out~0 := 0;~c1_pc~0 := 0;~wb_st~0 := 0;~processed~0 := 0;~wl_st~0 := 0;~c2_i~0 := 0;~c1_i~0 := 0;~c2_st~0 := 0;~r_st~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 [2022-11-16 12:34:59,205 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 [2022-11-16 12:34:59,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:59,205 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-11-16 12:34:59,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:59,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355180015] [2022-11-16 12:34:59,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:59,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:59,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:59,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:59,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1628767882, now seen corresponding path program 1 times [2022-11-16 12:34:59,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:59,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103457532] [2022-11-16 12:34:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:59,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:59,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:59,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:34:59,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:59,245 INFO L85 PathProgramCache]: Analyzing trace with hash -2080851842, now seen corresponding path program 1 times [2022-11-16 12:34:59,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:59,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751068880] [2022-11-16 12:34:59,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:59,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:59,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:34:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:34:59,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:00,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:00,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:35:00 BoogieIcfgContainer [2022-11-16 12:35:00,548 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:35:00,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:35:00,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:35:00,567 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:35:00,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:34:43" (3/4) ... [2022-11-16 12:35:00,570 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:35:00,660 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:35:00,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:35:00,661 INFO L158 Benchmark]: Toolchain (without parser) took 18706.52ms. Allocated memory was 136.3MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 102.4MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 462.9MB. Max. memory is 16.1GB. [2022-11-16 12:35:00,661 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 55.1MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:35:00,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.32ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 109.6MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:35:00,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.02ms. Allocated memory is still 136.3MB. Free memory was 109.6MB in the beginning and 107.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:35:00,663 INFO L158 Benchmark]: Boogie Preprocessor took 36.82ms. Allocated memory is still 136.3MB. Free memory was 107.6MB in the beginning and 105.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:35:00,664 INFO L158 Benchmark]: RCFGBuilder took 779.27ms. Allocated memory is still 136.3MB. Free memory was 105.0MB in the beginning and 82.4MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 12:35:00,664 INFO L158 Benchmark]: BuchiAutomizer took 17344.51ms. Allocated memory was 136.3MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 81.9MB in the beginning and 3.9GB in the end (delta: -3.9GB). Peak memory consumption was 440.7MB. Max. memory is 16.1GB. [2022-11-16 12:35:00,665 INFO L158 Benchmark]: Witness Printer took 93.79ms. Allocated memory is still 4.4GB. Free memory was 3.9GB in the beginning and 3.9GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:35:00,667 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 55.1MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.32ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 109.6MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.02ms. Allocated memory is still 136.3MB. Free memory was 109.6MB in the beginning and 107.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.82ms. Allocated memory is still 136.3MB. Free memory was 107.6MB in the beginning and 105.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.27ms. Allocated memory is still 136.3MB. Free memory was 105.0MB in the beginning and 82.4MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 17344.51ms. Allocated memory was 136.3MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 81.9MB in the beginning and 3.9GB in the end (delta: -3.9GB). Peak memory consumption was 440.7MB. Max. memory is 16.1GB. * Witness Printer took 93.79ms. Allocated memory is still 4.4GB. Free memory was 3.9GB in the beginning and 3.9GB in the end (delta: 4.2MB). 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 17.1s and 17 iterations. TraceHistogramMax:2. Analysis of lassos took 9.9s. Construction of modules took 0.4s. Büchi inclusion checks took 5.3s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 11. Automata minimization 2.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 3125 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 1.3s 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, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4662 mSDsluCounter, 8359 SdHoareTripleChecker+Invalid, 0.5s 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: 42ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 27 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s 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: [L52] int e_wl ; [L41] int wb_i ; [L59] int data ; [L38] int wl_i ; [L45] int c2_pc ; [L50] int e_c ; [L47] int e_e ; [L49] int e_g ; [L48] int e_f ; [L61] static int t_b ; [L34] int c1_st ; [L29] int c_t ; [L42] int r_i ; [L46] int wb_pc ; [L31] int p_in ; [L43] int wl_pc ; [L28] int c ; [L58] int d ; [L51] int e_p_in ; [L30] int c_req_up ; [L32] int p_out ; [L44] int c1_pc ; [L36] int wb_st ; [L60] int processed ; [L33] int wl_st ; [L40] int c2_i ; [L39] int c1_i ; [L35] int c2_st ; [L37] int r_st ; 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: [L52] int e_wl ; [L41] int wb_i ; [L59] int data ; [L38] int wl_i ; [L45] int c2_pc ; [L50] int e_c ; [L47] int e_e ; [L49] int e_g ; [L48] int e_f ; [L61] static int t_b ; [L34] int c1_st ; [L29] int c_t ; [L42] int r_i ; [L46] int wb_pc ; [L31] int p_in ; [L43] int wl_pc ; [L28] int c ; [L58] int d ; [L51] int e_p_in ; [L30] int c_req_up ; [L32] int p_out ; [L44] int c1_pc ; [L36] int wb_st ; [L60] int processed ; [L33] int wl_st ; [L40] int c2_i ; [L39] int c1_i ; [L35] int c2_st ; [L37] int r_st ; 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! [2022-11-16 12:35:00,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf042829-5b8e-4616-a235-35975bf6db3b/bin/uautomizer-tPACEb0tL8/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)