./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G --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 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:04:15,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:04:15,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:04:15,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:04:15,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:04:15,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:04:15,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:04:15,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:04:15,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:04:15,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:04:15,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:04:15,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:04:15,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:04:15,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:04:15,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:04:15,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:04:15,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:04:15,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:04:15,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:04:15,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:04:15,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:04:15,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:04:15,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:04:15,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:04:15,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:04:15,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:04:15,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:04:15,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:04:15,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:04:15,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:04:15,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:04:15,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:04:15,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:04:15,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:04:15,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:04:15,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:04:15,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:04:15,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:04:15,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:04:15,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:04:15,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:04:15,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 14:04:16,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:04:16,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:04:16,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:04:16,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:04:16,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:04:16,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:04:16,058 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:04:16,058 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:04:16,058 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:04:16,059 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:04:16,059 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:04:16,059 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:04:16,059 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:04:16,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:04:16,060 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:04:16,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:04:16,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:04:16,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:04:16,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:04:16,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:04:16,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:04:16,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:04:16,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:04:16,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:04:16,063 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:04:16,063 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:04:16,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:04:16,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:04:16,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:04:16,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:04:16,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:04:16,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:04:16,066 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:04:16,067 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_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 [2021-11-23 14:04:16,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:04:16,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:04:16,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:04:16,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:04:16,422 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:04:16,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 14:04:16,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/data/0286b010c/9bd14890eed3479a838610720b55ce01/FLAG2b3e7e997 [2021-11-23 14:04:17,276 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:04:17,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 14:04:17,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/data/0286b010c/9bd14890eed3479a838610720b55ce01/FLAG2b3e7e997 [2021-11-23 14:04:17,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/data/0286b010c/9bd14890eed3479a838610720b55ce01 [2021-11-23 14:04:17,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:04:17,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:04:17,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:04:17,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:04:17,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:04:17,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:17" (1/1) ... [2021-11-23 14:04:17,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b14288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:17, skipping insertion in model container [2021-11-23 14:04:17,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:17" (1/1) ... [2021-11-23 14:04:17,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:04:17,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:04:17,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2021-11-23 14:04:17,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:04:17,912 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:04:18,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2021-11-23 14:04:18,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:04:18,031 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:04:18,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18 WrapperNode [2021-11-23 14:04:18,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:04:18,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:04:18,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:04:18,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:04:18,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,139 INFO L137 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 312 [2021-11-23 14:04:18,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:04:18,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:04:18,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:04:18,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:04:18,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:04:18,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:04:18,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:04:18,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:04:18,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (1/1) ... [2021-11-23 14:04:18,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:04:18,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:04:18,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:04:18,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:04:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:04:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:04:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:04:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:04:18,384 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:04:18,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:04:18,891 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:04:18,901 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:04:18,901 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 14:04:18,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:18 BoogieIcfgContainer [2021-11-23 14:04:18,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:04:18,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:04:18,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:04:18,910 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:04:18,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:04:18,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:04:17" (1/3) ... [2021-11-23 14:04:18,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66aebbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:04:18, skipping insertion in model container [2021-11-23 14:04:18,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:04:18,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:18" (2/3) ... [2021-11-23 14:04:18,915 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66aebbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:04:18, skipping insertion in model container [2021-11-23 14:04:18,915 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:04:18,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:18" (3/3) ... [2021-11-23 14:04:18,917 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 14:04:18,974 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:04:18,974 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:04:18,974 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:04:18,974 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:04:18,975 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:04:18,975 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:04:18,975 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:04:18,975 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:04:18,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 92 states, 91 states have (on average 1.7142857142857142) internal successors, (156), 91 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:04:19,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2021-11-23 14:04:19,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:04:19,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:04:19,036 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:19,036 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:19,037 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:04:19,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 92 states, 91 states have (on average 1.7142857142857142) internal successors, (156), 91 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:04:19,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2021-11-23 14:04:19,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:04:19,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:04:19,054 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:19,055 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:19,066 INFO L791 eck$LassoCheckResult]: Stem: 71#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 8#L198true assume !(0 == ~r1~0 % 256);init_~tmp~0#1 := 0; 34#L198-1true init_#res#1 := init_~tmp~0#1; 5#L323true main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 65#L24true assume !(0 == assume_abort_if_not_~cond#1); 21#L23true assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 19#L395-2true [2021-11-23 14:04:19,077 INFO L793 eck$LassoCheckResult]: Loop: 19#L395-2true assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 43#L73true assume !(0 != ~mode1~0 % 256); 78#L87true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 7#L87-2true ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 44#L73-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 57#L99true assume !(0 != ~mode2~0 % 256); 72#L112true assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 82#L112-2true ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 62#L99-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 22#L124true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 76#L127true assume !(node3_~m3~0#1 != ~nomsg~0); 28#L127-1true ~mode3~0 := 0; 88#L124-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 35#L149true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 42#L152true assume !(node4_~m4~0#1 != ~nomsg~0); 15#L152-1true ~mode4~0 := 0; 70#L149-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 86#L174true assume !(0 != ~mode5~0 % 256); 75#L187true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 23#L187-2true ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 61#L174-2true assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 16#L331true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 39#L331-1true check_#res#1 := check_~tmp~1#1; 4#L351true main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 59#L424true assume !(0 == assert_~arg#1 % 256); 6#L419true assume { :end_inline_assert } true; 19#L395-2true [2021-11-23 14:04:19,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:19,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1978587388, now seen corresponding path program 1 times [2021-11-23 14:04:19,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:19,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933328997] [2021-11-23 14:04:19,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:19,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:04:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:04:19,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:04:19,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933328997] [2021-11-23 14:04:19,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933328997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:04:19,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:04:19,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:04:19,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301714038] [2021-11-23 14:04:19,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:04:19,563 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 14:04:19,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:19,565 INFO L85 PathProgramCache]: Analyzing trace with hash 698064284, now seen corresponding path program 1 times [2021-11-23 14:04:19,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:19,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048545019] [2021-11-23 14:04:19,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:19,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:04:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:04:19,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:04:19,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048545019] [2021-11-23 14:04:19,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048545019] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:04:19,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:04:19,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:04:19,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476524142] [2021-11-23 14:04:19,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:04:19,896 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:04:19,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:04:19,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:04:19,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:04:19,958 INFO L87 Difference]: Start difference. First operand has 92 states, 91 states have (on average 1.7142857142857142) internal successors, (156), 91 states have internal predecessors, (156), 0 states have call successors, (0), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:04:20,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:04:20,129 INFO L93 Difference]: Finished difference Result 91 states and 151 transitions. [2021-11-23 14:04:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:04:20,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 151 transitions. [2021-11-23 14:04:20,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-11-23 14:04:20,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 87 states and 117 transitions. [2021-11-23 14:04:20,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2021-11-23 14:04:20,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2021-11-23 14:04:20,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 117 transitions. [2021-11-23 14:04:20,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:04:20,156 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-11-23 14:04:20,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 117 transitions. [2021-11-23 14:04:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-23 14:04:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 86 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:04:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2021-11-23 14:04:20,196 INFO L704 BuchiCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-11-23 14:04:20,196 INFO L587 BuchiCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-11-23 14:04:20,196 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 14:04:20,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 117 transitions. [2021-11-23 14:04:20,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-11-23 14:04:20,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:04:20,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:04:20,209 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:20,209 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:20,210 INFO L791 eck$LassoCheckResult]: Stem: 280#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 271#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 209#L198 assume 0 == ~r1~0 % 256; 210#L199 assume ~id1~0 >= 0; 267#L200 assume 0 == ~st1~0; 268#L201 assume ~send1~0 == ~id1~0; 245#L202 assume 0 == ~mode1~0 % 256; 246#L203 assume ~id2~0 >= 0; 262#L204 assume 0 == ~st2~0; 218#L205 assume ~send2~0 == ~id2~0; 219#L206 assume 0 == ~mode2~0 % 256; 211#L207 assume ~id3~0 >= 0; 212#L208 assume 0 == ~st3~0; 270#L209 assume ~send3~0 == ~id3~0; 223#L210 assume 0 == ~mode3~0 % 256; 224#L211 assume ~id4~0 >= 0; 213#L212 assume 0 == ~st4~0; 214#L213 assume ~send4~0 == ~id4~0; 285#L214 assume 0 == ~mode4~0 % 256; 286#L215 assume ~id5~0 >= 0; 269#L216 assume 0 == ~st5~0; 251#L217 assume ~send5~0 == ~id5~0; 252#L218 assume 0 == ~mode5~0 % 256; 272#L219 assume ~id1~0 != ~id2~0; 287#L220 assume ~id1~0 != ~id3~0; 244#L221 assume ~id1~0 != ~id4~0; 242#L222 assume ~id1~0 != ~id5~0; 243#L223 assume ~id2~0 != ~id3~0; 234#L224 assume ~id2~0 != ~id4~0; 235#L225 assume ~id2~0 != ~id5~0; 229#L226 assume ~id3~0 != ~id4~0; 230#L227 assume ~id3~0 != ~id5~0; 247#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 248#L198-1 init_#res#1 := init_~tmp~0#1; 203#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 204#L24 assume !(0 == assume_abort_if_not_~cond#1); 236#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 206#L395-2 [2021-11-23 14:04:20,210 INFO L793 eck$LassoCheckResult]: Loop: 206#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 233#L73 assume !(0 != ~mode1~0 % 256); 264#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 207#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 208#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 265#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 273#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 253#L102-1 ~mode2~0 := 0; 254#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 237#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 238#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 249#L127-1 ~mode3~0 := 0; 250#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 257#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 258#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 216#L152-1 ~mode4~0 := 0; 225#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 279#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 282#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 261#L177-1 ~mode5~0 := 0; 241#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 226#L331 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 227#L331-1 check_#res#1 := check_~tmp~1#1; 201#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 202#L424 assume !(0 == assert_~arg#1 % 256); 205#L419 assume { :end_inline_assert } true; 206#L395-2 [2021-11-23 14:04:20,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:20,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 1 times [2021-11-23 14:04:20,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:20,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787628830] [2021-11-23 14:04:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:20,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:04:20,271 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:04:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:04:20,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:04:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:20,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1420109744, now seen corresponding path program 1 times [2021-11-23 14:04:20,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:20,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842885752] [2021-11-23 14:04:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:20,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:04:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:04:20,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:04:20,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842885752] [2021-11-23 14:04:20,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842885752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:04:20,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:04:20,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:04:20,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919198633] [2021-11-23 14:04:20,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:04:20,556 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:04:20,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:04:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:04:20,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:04:20,558 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. cyclomatic complexity: 31 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:04:20,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:04:20,631 INFO L93 Difference]: Finished difference Result 90 states and 119 transitions. [2021-11-23 14:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:04:20,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 119 transitions. [2021-11-23 14:04:20,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-11-23 14:04:20,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 87 states and 114 transitions. [2021-11-23 14:04:20,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2021-11-23 14:04:20,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2021-11-23 14:04:20,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 114 transitions. [2021-11-23 14:04:20,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:04:20,639 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 114 transitions. [2021-11-23 14:04:20,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 114 transitions. [2021-11-23 14:04:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-23 14:04:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 86 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:04:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 114 transitions. [2021-11-23 14:04:20,659 INFO L704 BuchiCegarLoop]: Abstraction has 87 states and 114 transitions. [2021-11-23 14:04:20,659 INFO L587 BuchiCegarLoop]: Abstraction has 87 states and 114 transitions. [2021-11-23 14:04:20,660 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 14:04:20,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 114 transitions. [2021-11-23 14:04:20,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-11-23 14:04:20,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:04:20,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:04:20,666 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:20,671 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:20,671 INFO L791 eck$LassoCheckResult]: Stem: 469#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 460#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 398#L198 assume 0 == ~r1~0 % 256; 399#L199 assume ~id1~0 >= 0; 456#L200 assume 0 == ~st1~0; 457#L201 assume ~send1~0 == ~id1~0; 434#L202 assume 0 == ~mode1~0 % 256; 435#L203 assume ~id2~0 >= 0; 449#L204 assume 0 == ~st2~0; 404#L205 assume ~send2~0 == ~id2~0; 405#L206 assume 0 == ~mode2~0 % 256; 400#L207 assume ~id3~0 >= 0; 401#L208 assume 0 == ~st3~0; 459#L209 assume ~send3~0 == ~id3~0; 409#L210 assume 0 == ~mode3~0 % 256; 410#L211 assume ~id4~0 >= 0; 402#L212 assume 0 == ~st4~0; 403#L213 assume ~send4~0 == ~id4~0; 474#L214 assume 0 == ~mode4~0 % 256; 475#L215 assume ~id5~0 >= 0; 458#L216 assume 0 == ~st5~0; 440#L217 assume ~send5~0 == ~id5~0; 441#L218 assume 0 == ~mode5~0 % 256; 461#L219 assume ~id1~0 != ~id2~0; 476#L220 assume ~id1~0 != ~id3~0; 433#L221 assume ~id1~0 != ~id4~0; 431#L222 assume ~id1~0 != ~id5~0; 432#L223 assume ~id2~0 != ~id3~0; 423#L224 assume ~id2~0 != ~id4~0; 424#L225 assume ~id2~0 != ~id5~0; 417#L226 assume ~id3~0 != ~id4~0; 418#L227 assume ~id3~0 != ~id5~0; 436#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 437#L198-1 init_#res#1 := init_~tmp~0#1; 394#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 395#L24 assume !(0 == assume_abort_if_not_~cond#1); 425#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 393#L395-2 [2021-11-23 14:04:20,672 INFO L793 eck$LassoCheckResult]: Loop: 393#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 422#L73 assume !(0 != ~mode1~0 % 256); 453#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 396#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 397#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 454#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 462#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 442#L102-1 ~mode2~0 := 0; 443#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 426#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 427#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 438#L127-1 ~mode3~0 := 0; 439#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 446#L149 assume !(0 != ~mode4~0 % 256); 448#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 455#L162-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 414#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 468#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 471#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 451#L177-1 ~mode5~0 := 0; 430#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 415#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 416#L332 assume ~r1~0 % 256 >= 5; 419#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 420#L331-1 check_#res#1 := check_~tmp~1#1; 390#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 391#L424 assume !(0 == assert_~arg#1 % 256); 392#L419 assume { :end_inline_assert } true; 393#L395-2 [2021-11-23 14:04:20,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 2 times [2021-11-23 14:04:20,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:20,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210281592] [2021-11-23 14:04:20,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:20,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:04:20,711 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:04:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:04:20,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:04:20,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:20,797 INFO L85 PathProgramCache]: Analyzing trace with hash 6707478, now seen corresponding path program 1 times [2021-11-23 14:04:20,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:20,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744228442] [2021-11-23 14:04:20,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:20,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:04:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:04:20,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:04:20,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744228442] [2021-11-23 14:04:20,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744228442] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:04:20,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:04:20,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:04:20,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916390141] [2021-11-23 14:04:20,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:04:20,874 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:04:20,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:04:20,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:04:20,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:04:20,879 INFO L87 Difference]: Start difference. First operand 87 states and 114 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:04:20,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:04:20,920 INFO L93 Difference]: Finished difference Result 131 states and 180 transitions. [2021-11-23 14:04:20,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:04:20,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 131 states and 180 transitions. [2021-11-23 14:04:20,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2021-11-23 14:04:20,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 131 states to 131 states and 180 transitions. [2021-11-23 14:04:20,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 131 [2021-11-23 14:04:20,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 131 [2021-11-23 14:04:20,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 131 states and 180 transitions. [2021-11-23 14:04:20,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:04:20,930 INFO L681 BuchiCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-11-23 14:04:20,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states and 180 transitions. [2021-11-23 14:04:20,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-23 14:04:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 130 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:04:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 180 transitions. [2021-11-23 14:04:20,941 INFO L704 BuchiCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-11-23 14:04:20,942 INFO L587 BuchiCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-11-23 14:04:20,942 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 14:04:20,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states and 180 transitions. [2021-11-23 14:04:20,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2021-11-23 14:04:20,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:04:20,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:04:20,946 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:20,946 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:04:20,947 INFO L791 eck$LassoCheckResult]: Stem: 699#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 687#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 622#L198 assume 0 == ~r1~0 % 256; 623#L199 assume ~id1~0 >= 0; 683#L200 assume 0 == ~st1~0; 684#L201 assume ~send1~0 == ~id1~0; 658#L202 assume 0 == ~mode1~0 % 256; 659#L203 assume ~id2~0 >= 0; 678#L204 assume 0 == ~st2~0; 631#L205 assume ~send2~0 == ~id2~0; 632#L206 assume 0 == ~mode2~0 % 256; 624#L207 assume ~id3~0 >= 0; 625#L208 assume 0 == ~st3~0; 686#L209 assume ~send3~0 == ~id3~0; 636#L210 assume 0 == ~mode3~0 % 256; 637#L211 assume ~id4~0 >= 0; 626#L212 assume 0 == ~st4~0; 627#L213 assume ~send4~0 == ~id4~0; 705#L214 assume 0 == ~mode4~0 % 256; 706#L215 assume ~id5~0 >= 0; 685#L216 assume 0 == ~st5~0; 667#L217 assume ~send5~0 == ~id5~0; 668#L218 assume 0 == ~mode5~0 % 256; 688#L219 assume ~id1~0 != ~id2~0; 707#L220 assume ~id1~0 != ~id3~0; 657#L221 assume ~id1~0 != ~id4~0; 655#L222 assume ~id1~0 != ~id5~0; 656#L223 assume ~id2~0 != ~id3~0; 646#L224 assume ~id2~0 != ~id4~0; 647#L225 assume ~id2~0 != ~id5~0; 641#L226 assume ~id3~0 != ~id4~0; 642#L227 assume ~id3~0 != ~id5~0; 660#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 661#L198-1 init_#res#1 := init_~tmp~0#1; 616#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 617#L24 assume !(0 == assume_abort_if_not_~cond#1); 648#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 649#L395-2 [2021-11-23 14:04:20,947 INFO L793 eck$LassoCheckResult]: Loop: 649#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 738#L73 assume !(0 != ~mode1~0 % 256); 737#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 736#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 664#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 735#L99 assume !(0 != ~mode2~0 % 256); 731#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 730#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 728#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 650#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 651#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 662#L127-1 ~mode3~0 := 0; 663#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 672#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 673#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 629#L152-1 ~mode4~0 := 0; 638#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 717#L174 assume !(0 != ~mode5~0 % 256); 713#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 711#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 710#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 709#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 708#L332 assume !(~r1~0 % 256 >= 5); 670#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 671#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 742#L331-1 check_#res#1 := check_~tmp~1#1; 741#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 740#L424 assume !(0 == assert_~arg#1 % 256); 739#L419 assume { :end_inline_assert } true; 649#L395-2 [2021-11-23 14:04:20,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:20,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 3 times [2021-11-23 14:04:20,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:20,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080424837] [2021-11-23 14:04:20,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:20,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:04:20,972 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:04:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:04:21,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:04:21,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:21,032 INFO L85 PathProgramCache]: Analyzing trace with hash 507304517, now seen corresponding path program 1 times [2021-11-23 14:04:21,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:21,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320908643] [2021-11-23 14:04:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:21,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:04:21,069 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:04:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:04:21,126 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:04:21,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:04:21,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1291825389, now seen corresponding path program 1 times [2021-11-23 14:04:21,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:04:21,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877113657] [2021-11-23 14:04:21,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:04:21,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:04:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:04:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:04:21,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:04:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877113657] [2021-11-23 14:04:21,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877113657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:04:21,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:04:21,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:04:21,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543610726] [2021-11-23 14:04:21,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:04:22,833 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:04:22,834 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:04:22,847 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:04:22,847 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:04:22,847 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:04:22,848 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:04:22,848 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:04:22,849 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:04:22,849 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-11-23 14:04:22,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:04:22,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:04:22,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:22,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:23,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:23,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:04:23,834 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-11-23 14:05:11,365 WARN L227 SmtUtils]: Spent 47.10s on a formula simplification. DAG size of input: 634 DAG size of output: 186 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 14:05:11,489 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:05:11,490 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 14:05:11,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:11,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:11,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:11,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:05:11,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:05:11,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:05:11,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-23 14:05:11,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:11,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:11,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:11,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 14:05:11,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:05:11,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:05:11,980 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 14:05:11,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:11,989 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:05:11,989 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:05:11,989 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:05:11,989 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:05:11,990 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:05:11,990 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:11,990 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:05:11,990 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:05:11,990 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-11-23 14:05:11,990 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:05:11,990 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:05:12,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:05:12,907 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-11-23 14:05:57,507 WARN L227 SmtUtils]: Spent 44.33s on a formula simplification. DAG size of input: 634 DAG size of output: 186 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 14:05:57,588 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:05:57,593 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:05:57,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:57,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:57,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:57,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:05:57,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:57,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:57,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:57,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:57,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:57,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:57,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:57,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:57,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:57,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:57,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:57,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:57,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:57,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:57,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:57,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:57,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:57,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:57,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:57,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:57,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:57,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:05:57,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:57,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:57,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:57,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:57,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:57,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:57,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:57,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:57,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:57,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:57,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:57,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:57,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:57,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 14:05:57,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:57,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:57,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:57,844 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:57,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:57,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:57,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:57,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:57,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:57,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:57,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:57,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:57,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 14:05:57,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:57,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:57,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:57,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:57,924 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:57,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:57,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:57,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:57,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:57,942 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:05:57,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:57,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 14:05:58,546 INFO L401 nArgumentSynthesizer]: We have 128 Motzkin's Theorem applications. [2021-11-23 14:05:58,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-23 14:05:59,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,498 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 14:05:59,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,579 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 14:05:59,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,664 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 14:05:59,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,722 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 14:05:59,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,768 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 14:05:59,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,804 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 14:05:59,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,840 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 14:05:59,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,879 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 14:05:59,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,917 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 14:05:59,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:05:59,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 14:05:59,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:05:59,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:05:59,964 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:05:59,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 14:05:59,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:05:59,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:05:59,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:05:59,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:05:59,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:05:59,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:05:59,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:05:59,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:05:59,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:00,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:00,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:00,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:00,024 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:00,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 14:06:00,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:00,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:00,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:00,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:00,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:00,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:06:00,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:06:00,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:00,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:00,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-11-23 14:06:00,072 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 14:06:00,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:00,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:00,073 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:00,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 14:06:00,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:00,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:00,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:00,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:00,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:00,084 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:00,086 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:00,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:00,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:00,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:00,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:00,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:00,150 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:00,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 14:06:00,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:00,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:00,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:00,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:00,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:00,185 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:00,186 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:00,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:00,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:00,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:00,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:00,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:00,232 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:00,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:00,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:00,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:00,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:00,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:00,245 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:00,246 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:00,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:00,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 14:06:00,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:00,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:00,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:00,308 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:00,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:00,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:00,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:00,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:00,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:00,323 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:00,324 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:00,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:00,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 14:06:00,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:00,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:00,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:00,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:00,379 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:00,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:00,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:00,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:00,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:00,394 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:06:00,395 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:00,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 14:06:01,194 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2021-11-23 14:06:01,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:02,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-23 14:06:03,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,033 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 14:06:03,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,044 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,046 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-23 14:06:03,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,072 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 14:06:03,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,085 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,085 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,110 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 14:06:03,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,121 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,122 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,150 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 14:06:03,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,168 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,168 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-23 14:06:03,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,198 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 14:06:03,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,212 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,213 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,244 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 14:06:03,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,254 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,256 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-23 14:06:03,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,309 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,331 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,332 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 14:06:03,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,387 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,403 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 14:06:03,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,454 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,468 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,470 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 14:06:03,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,523 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,539 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,540 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 14:06:03,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,581 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 14:06:03,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,592 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:03,593 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:03,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,620 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 14:06:03,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,621 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-23 14:06:03,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,632 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:03,633 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:03,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,660 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 14:06:03,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,670 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:03,671 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:03,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-23 14:06:03,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,697 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 14:06:03,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,709 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:03,710 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:03,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,736 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 14:06:03,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:03,747 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:03,748 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:03,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:03,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:03,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:03,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:03,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:03,773 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:03,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:03,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 14:06:03,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:03,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:03,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:03,791 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:06:03,791 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:04,658 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2021-11-23 14:06:04,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:06,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:06,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-23 14:06:06,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:06,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:06,835 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:06,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 14:06:06,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:06,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:06,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:06,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:06,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:06,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:06,848 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:06,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:06,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:06,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:06,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:06,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:06,876 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:06,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 14:06:06,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:06,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:06,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:06,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:06,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:06,885 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:06,886 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:06,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:06,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:06,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:06,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:06,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:06,911 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:06,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 14:06:06,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:06,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:06,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:06,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:06,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:06,921 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:06,922 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:06,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:06,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:06,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-23 14:06:06,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:06,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:06,947 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:06,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-23 14:06:06,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:06,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:06,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:06,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:06,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:06,956 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:06,957 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:06,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:06,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:06,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:06,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:06,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:06,980 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:06,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-23 14:06:06,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:06,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:06,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:06,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:06,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:06,989 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:06,990 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:06,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:06,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:07,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,015 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-23 14:06:07,016 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 [2021-11-23 14:06:07,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,025 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:07,026 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:07,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-23 14:06:07,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,056 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 14:06:07,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,066 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:07,067 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:07,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-23 14:06:07,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,090 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 14:06:07,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,100 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:07,100 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:07,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:07,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,142 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 14:06:07,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,163 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:07,165 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:07,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:07,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,211 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 14:06:07,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,237 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:07,238 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:07,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:07,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,286 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 14:06:07,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,300 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:07,301 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:07,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:07,326 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 14:06:07,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,329 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 14:06:07,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,341 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:07,343 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:07,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:07,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,369 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 14:06:07,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,379 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:07,381 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:07,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-23 14:06:07,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,408 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-23 14:06:07,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,420 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:07,422 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:07,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:07,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,447 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-23 14:06:07,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:07,458 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:07,459 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:07,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:07,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:07,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:07,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:07,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:07,492 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:07,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-23 14:06:07,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:07,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:07,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:07,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:07,506 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:06:07,506 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:08,592 INFO L401 nArgumentSynthesizer]: We have 320 Motzkin's Theorem applications. [2021-11-23 14:06:08,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:11,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,657 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-23 14:06:11,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:11,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,667 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,669 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-23 14:06:11,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,696 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 14:06:11,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:11,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,706 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,706 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:11,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,731 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 14:06:11,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:11,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,740 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,743 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:11,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,769 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 14:06:11,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:11,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,779 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,780 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-23 14:06:11,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,803 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 14:06:11,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:11,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,813 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,813 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:11,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,837 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 14:06:11,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:11,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,847 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,849 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-23 14:06:11,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,873 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-23 14:06:11,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:11,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,883 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,883 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-23 14:06:11,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,906 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-23 14:06:11,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:11,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,917 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,918 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-23 14:06:11,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,944 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-23 14:06:11,946 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 [2021-11-23 14:06:11,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:11,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:11,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:11,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:11,955 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:11,957 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:11,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:11,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:11,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:11,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:11,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:11,994 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:11,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-23 14:06:11,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:12,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:12,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:12,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:12,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:12,004 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:12,005 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:12,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:12,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:12,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-23 14:06:12,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:12,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:12,030 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:12,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-23 14:06:12,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:12,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:12,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:12,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:12,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:12,043 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:12,044 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:12,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:12,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:12,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-23 14:06:12,070 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 14:06:12,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:12,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:12,071 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:12,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-23 14:06:12,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:12,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:12,081 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:12,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:12,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:12,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:12,081 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:12,082 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:12,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:12,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:12,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-23 14:06:12,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:12,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:12,110 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:12,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-23 14:06:12,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:12,119 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:12,120 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:12,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:12,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:12,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:12,120 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:12,121 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:12,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:12,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:12,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:12,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:12,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:12,149 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:12,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-23 14:06:12,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:12,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:12,159 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:12,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:12,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:12,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:12,159 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:12,160 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:12,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:12,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:12,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:12,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:12,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:12,192 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:12,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-23 14:06:12,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:12,202 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:12,203 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:12,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:12,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:12,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:12,203 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:12,203 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:12,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:12,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:12,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-23 14:06:12,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:12,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:12,228 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:12,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-23 14:06:12,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:12,244 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:12,245 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:12,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:12,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:12,245 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:06:12,245 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:13,115 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2021-11-23 14:06:13,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-23 14:06:16,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,169 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-23 14:06:16,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,179 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,180 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,181 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-23 14:06:16,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,210 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-23 14:06:16,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,220 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,220 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,220 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,221 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:16,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,247 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-23 14:06:16,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,256 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,257 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,258 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-23 14:06:16,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,285 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-23 14:06:16,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,335 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,335 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,336 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,336 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-23 14:06:16,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,363 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-23 14:06:16,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,372 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,373 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,373 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,373 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:16,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,397 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-23 14:06:16,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,408 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,408 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,410 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:16,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,466 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-23 14:06:16,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,480 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,480 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,481 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-23 14:06:16,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,505 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-23 14:06:16,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,521 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,521 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,522 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-23 14:06:16,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,545 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-23 14:06:16,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,554 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,554 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,554 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,555 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-23 14:06:16,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,581 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-23 14:06:16,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,590 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,590 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,591 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,591 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:16,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,616 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-23 14:06:16,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,626 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,626 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:16,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,626 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 14:06:16,628 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 14:06:16,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-23 14:06:16,653 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 14:06:16,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,654 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-23 14:06:16,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,664 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,664 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:16,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,664 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:16,666 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:16,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-23 14:06:16,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,695 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-23 14:06:16,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,705 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,705 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:16,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,705 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:16,707 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:16,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:16,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,734 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-23 14:06:16,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,744 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:16,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,744 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:16,746 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:16,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-23 14:06:16,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,780 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-23 14:06:16,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,790 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:16,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:16,790 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:16,791 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:16,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:16,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:16,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-23 14:06:16,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:16,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:16,817 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:16,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-23 14:06:16,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:16,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:16,831 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:16,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:16,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:16,832 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:06:16,832 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:17,930 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2021-11-23 14:06:17,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:29,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:29,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:29,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:29,925 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:29,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-23 14:06:29,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:29,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:29,936 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:29,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:29,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:29,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:29,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:29,939 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:29,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:29,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:29,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:29,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:29,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:29,969 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:29,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-23 14:06:29,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:29,980 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:29,980 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:29,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:29,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:29,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:29,981 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:29,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:29,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,045 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,061 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,062 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,062 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,065 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-23 14:06:30,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-23 14:06:30,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,109 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-23 14:06:30,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,120 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,121 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,122 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,148 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-23 14:06:30,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,158 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,158 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,159 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,185 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-23 14:06:30,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,195 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,196 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,197 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,226 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-23 14:06:30,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,236 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,236 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,236 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,237 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,263 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-23 14:06:30,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,272 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,273 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,273 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,299 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-23 14:06:30,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,309 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,309 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,311 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,341 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-23 14:06:30,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,352 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,352 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,353 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,381 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-23 14:06:30,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,391 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,391 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 14:06:30,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,391 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:30,393 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:30,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,422 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 14:06:30,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,423 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-23 14:06:30,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,433 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,433 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:30,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,433 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:30,436 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:30,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,468 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-23 14:06:30,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,478 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,478 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:30,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,479 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:30,481 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:30,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,513 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-23 14:06:30,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,522 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,523 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:30,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,523 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:30,525 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:30,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,554 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-23 14:06:30,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,567 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:30,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:30,567 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:30,568 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:30,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:30,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:30,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:30,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:30,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:30,597 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:30,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-23 14:06:30,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:30,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:30,612 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:30,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:30,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:30,612 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:06:30,612 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:31,915 INFO L401 nArgumentSynthesizer]: We have 320 Motzkin's Theorem applications. [2021-11-23 14:06:31,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:46,726 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-23 14:06:46,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:46,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:46,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:46,783 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:46,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-23 14:06:46,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:46,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:46,806 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:46,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:46,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:46,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:46,806 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:46,810 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:46,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:46,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:46,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:46,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:46,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:46,865 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:46,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:46,879 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:46,879 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:46,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:46,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:46,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:46,879 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:46,881 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:46,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:46,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-23 14:06:46,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:46,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:46,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:46,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:46,975 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:46,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:46,987 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:46,987 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:46,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:46,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:46,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:46,988 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:46,991 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:46,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:46,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-23 14:06:46,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-11-23 14:06:47,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,022 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-23 14:06:47,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,032 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,032 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:47,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,032 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:47,033 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:47,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-23 14:06:47,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,060 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-23 14:06:47,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,069 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,069 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:47,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,070 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:47,070 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:47,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-23 14:06:47,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,096 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-23 14:06:47,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,106 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,106 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:47,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,107 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:47,109 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:47,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-23 14:06:47,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,139 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-23 14:06:47,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,148 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:47,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,148 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:47,149 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:47,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:47,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,174 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-23 14:06:47,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,183 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,183 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:47,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,184 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:47,184 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:47,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:47,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,211 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-23 14:06:47,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,220 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,221 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:47,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,221 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:47,224 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:47,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-11-23 14:06:47,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,256 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-23 14:06:47,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,270 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:47,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,270 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:47,272 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:47,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:47,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,305 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-23 14:06:47,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,315 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,315 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:47,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,315 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 14:06:47,318 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 14:06:47,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-11-23 14:06:47,348 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 14:06:47,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,349 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-23 14:06:47,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,359 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,359 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:47,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,359 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:47,361 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:47,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:47,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,387 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-23 14:06:47,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,396 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,396 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:47,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,397 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:47,398 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:47,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:47,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,427 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-23 14:06:47,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,437 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:47,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,437 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:47,438 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:47,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:47,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,464 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-23 14:06:47,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,474 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,474 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:47,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:47,475 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:47,475 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:47,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:47,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:47,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-11-23 14:06:47,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:47,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:47,507 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:47,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:47,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-23 14:06:47,518 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:47,518 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:47,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:47,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:47,519 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:06:47,519 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:48,550 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2021-11-23 14:06:48,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:51,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-11-23 14:06:52,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,015 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-23 14:06:52,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,025 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,026 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,026 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,028 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-11-23 14:06:52,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,064 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-23 14:06:52,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,074 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,074 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,074 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,075 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:52,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,099 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-23 14:06:52,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,109 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,109 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:52,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,137 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-23 14:06:52,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,147 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,147 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,148 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,148 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-11-23 14:06:52,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,173 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-23 14:06:52,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,183 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,183 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,183 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,183 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:52,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,208 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-11-23 14:06:52,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,217 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,217 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,218 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,219 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-11-23 14:06:52,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,246 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-23 14:06:52,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,256 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,257 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,257 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-11-23 14:06:52,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,287 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-23 14:06:52,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,300 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,300 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,301 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,301 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-11-23 14:06:52,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,327 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-11-23 14:06:52,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,338 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,338 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,339 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:52,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,368 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-11-23 14:06:52,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,459 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,460 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,461 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-11-23 14:06:52,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,488 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-11-23 14:06:52,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,497 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,497 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 14:06:52,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,498 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 14:06:52,499 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 14:06:52,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:52,524 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 14:06:52,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,525 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-11-23 14:06:52,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,533 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,533 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:52,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,534 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:06:52,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:06:52,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-11-23 14:06:52,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,562 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-11-23 14:06:52,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,572 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:52,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,572 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:06:52,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:06:52,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:52,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,602 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-11-23 14:06:52,603 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 [2021-11-23 14:06:52,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,612 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:52,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,612 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:06:52,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:06:52,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:52,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,641 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-11-23 14:06:52,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,651 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:52,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:52,651 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:06:52,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:06:52,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:52,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:52,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-11-23 14:06:52,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:52,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:52,714 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:52,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-11-23 14:06:52,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:52,726 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:06:52,726 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:06:52,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:52,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:52,727 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-11-23 14:06:52,727 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:06:54,167 INFO L401 nArgumentSynthesizer]: We have 384 Motzkin's Theorem applications. [2021-11-23 14:06:54,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:04,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,105 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-11-23 14:07:04,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,115 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,115 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,116 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:04,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,157 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-11-23 14:07:04,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,168 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,168 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-11-23 14:07:04,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,196 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-11-23 14:07:04,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,206 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,206 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,207 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:04,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,238 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-11-23 14:07:04,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,247 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,247 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,247 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-11-23 14:07:04,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,273 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-11-23 14:07:04,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,281 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,281 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,282 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-11-23 14:07:04,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,309 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-11-23 14:07:04,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,318 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,318 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,318 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-11-23 14:07:04,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,346 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-11-23 14:07:04,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,354 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,354 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,355 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-11-23 14:07:04,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,378 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-11-23 14:07:04,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,386 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,387 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,387 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:04,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,410 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-11-23 14:07:04,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,419 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,419 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,419 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-11-23 14:07:04,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,446 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-11-23 14:07:04,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,456 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,457 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-11-23 14:07:04,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:04,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:04,484 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:04,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-11-23 14:07:04,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:04,493 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 14:07:04,493 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 14:07:04,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:04,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:04,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:04,494 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 14:07:04,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:04,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:04,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:04,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdb2fe-6db5-47ea-8efe-6614d2ec33f8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:04,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:04,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:04,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:04,527 INFO L87 Difference]: Start difference. First operand 131 states and 180 transitions. cyclomatic complexity: 50 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:04,561 INFO L93 Difference]: Finished difference Result 213 states and 301 transitions. [2021-11-23 14:07:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:04,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 301 transitions. [2021-11-23 14:07:04,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 176 [2021-11-23 14:07:04,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 213 states and 301 transitions. [2021-11-23 14:07:04,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 213 [2021-11-23 14:07:04,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 213 [2021-11-23 14:07:04,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 213 states and 301 transitions. [2021-11-23 14:07:04,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:04,573 INFO L681 BuchiCegarLoop]: Abstraction has 213 states and 301 transitions. [2021-11-23 14:07:04,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states and 301 transitions. [2021-11-23 14:07:04,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2021-11-23 14:07:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 213 states have (on average 1.4131455399061033) internal successors, (301), 212 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 301 transitions. [2021-11-23 14:07:04,592 INFO L704 BuchiCegarLoop]: Abstraction has 213 states and 301 transitions. [2021-11-23 14:07:04,592 INFO L587 BuchiCegarLoop]: Abstraction has 213 states and 301 transitions. [2021-11-23 14:07:04,592 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-23 14:07:04,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 213 states and 301 transitions. [2021-11-23 14:07:04,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 176 [2021-11-23 14:07:04,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:04,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:04,597 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:04,597 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:04,597 INFO L791 eck$LassoCheckResult]: Stem: 1054#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 1042#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 974#L198 assume 0 == ~r1~0 % 256; 975#L199 assume ~id1~0 >= 0; 1038#L200 assume 0 == ~st1~0; 1039#L201 assume ~send1~0 == ~id1~0; 1009#L202 assume 0 == ~mode1~0 % 256; 1010#L203 assume ~id2~0 >= 0; 1026#L204 assume 0 == ~st2~0; 980#L205 assume ~send2~0 == ~id2~0; 981#L206 assume 0 == ~mode2~0 % 256; 976#L207 assume ~id3~0 >= 0; 977#L208 assume 0 == ~st3~0; 1041#L209 assume ~send3~0 == ~id3~0; 985#L210 assume 0 == ~mode3~0 % 256; 986#L211 assume ~id4~0 >= 0; 978#L212 assume 0 == ~st4~0; 979#L213 assume ~send4~0 == ~id4~0; 1061#L214 assume 0 == ~mode4~0 % 256; 1062#L215 assume ~id5~0 >= 0; 1040#L216 assume 0 == ~st5~0; 1016#L217 assume ~send5~0 == ~id5~0; 1017#L218 assume 0 == ~mode5~0 % 256; 1043#L219 assume ~id1~0 != ~id2~0; 1064#L220 assume ~id1~0 != ~id3~0; 1008#L221 assume ~id1~0 != ~id4~0; 1006#L222 assume ~id1~0 != ~id5~0; 1007#L223 assume ~id2~0 != ~id3~0; 998#L224 assume ~id2~0 != ~id4~0; 999#L225 assume ~id2~0 != ~id5~0; 993#L226 assume ~id3~0 != ~id4~0; 994#L227 assume ~id3~0 != ~id5~0; 1011#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 1012#L198-1 init_#res#1 := init_~tmp~0#1; 968#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 969#L24 assume !(0 == assume_abort_if_not_~cond#1); 1000#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1001#L395-2 [2021-11-23 14:07:04,598 INFO L793 eck$LassoCheckResult]: Loop: 1001#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1154#L73 assume !(0 != ~mode1~0 % 256); 1153#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 1152#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 1088#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1077#L99 assume !(0 != ~mode2~0 % 256); 1073#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 1074#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 1124#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1111#L124 assume !(0 != ~mode3~0 % 256); 1063#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 1050#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 1051#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1151#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1148#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 1146#L152-1 ~mode4~0 := 0; 1144#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1143#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1140#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 1138#L177-1 ~mode5~0 := 0; 1136#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1135#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 1134#L332 assume ~r1~0 % 256 >= 5; 995#L336 assume !(~r1~0 % 256 < 5); 996#L340 assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0;check_~tmp~1#1 := 1; 1105#L331-1 check_#res#1 := check_~tmp~1#1; 1103#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1100#L424 assume !(0 == assert_~arg#1 % 256); 1099#L419 assume { :end_inline_assert } true; 1095#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1091#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 987#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 988#L77-1 ~mode1~0 := 0; 1015#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1120#L99 assume !(0 != ~mode2~0 % 256); 1116#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 1115#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 1113#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1112#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1109#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 1013#L127-1 ~mode3~0 := 0; 1014#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1023#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1024#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 983#L152-1 ~mode4~0 := 0; 990#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1053#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1056#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 1028#L177-1 ~mode5~0 := 0; 1005#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 991#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 992#L332 assume !(~r1~0 % 256 >= 5); 1021#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 1022#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 1160#L331-1 check_#res#1 := check_~tmp~1#1; 1159#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1158#L424 assume !(0 == assert_~arg#1 % 256); 1157#L419 assume { :end_inline_assert } true; 1001#L395-2 [2021-11-23 14:07:04,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:04,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 4 times [2021-11-23 14:07:04,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:04,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700229064] [2021-11-23 14:07:04,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:04,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:04,613 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:04,634 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:04,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:04,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1812604240, now seen corresponding path program 1 times [2021-11-23 14:07:04,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:04,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13859455] [2021-11-23 14:07:04,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:04,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:04,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:04,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13859455] [2021-11-23 14:07:04,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13859455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:04,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:04,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:04,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623149783] [2021-11-23 14:07:04,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:04,691 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:04,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:04,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:04,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:04,692 INFO L87 Difference]: Start difference. First operand 213 states and 301 transitions. cyclomatic complexity: 89 Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:04,723 INFO L93 Difference]: Finished difference Result 341 states and 495 transitions. [2021-11-23 14:07:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:04,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 495 transitions. [2021-11-23 14:07:04,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 302 [2021-11-23 14:07:04,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 339 states and 493 transitions. [2021-11-23 14:07:04,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 339 [2021-11-23 14:07:04,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 339 [2021-11-23 14:07:04,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 339 states and 493 transitions. [2021-11-23 14:07:04,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:04,736 INFO L681 BuchiCegarLoop]: Abstraction has 339 states and 493 transitions. [2021-11-23 14:07:04,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states and 493 transitions. [2021-11-23 14:07:04,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 273. [2021-11-23 14:07:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 273 states have (on average 1.465201465201465) internal successors, (400), 272 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 400 transitions. [2021-11-23 14:07:04,752 INFO L704 BuchiCegarLoop]: Abstraction has 273 states and 400 transitions. [2021-11-23 14:07:04,752 INFO L587 BuchiCegarLoop]: Abstraction has 273 states and 400 transitions. [2021-11-23 14:07:04,752 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-23 14:07:04,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 400 transitions. [2021-11-23 14:07:04,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 236 [2021-11-23 14:07:04,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:04,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:04,757 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:04,757 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:04,758 INFO L791 eck$LassoCheckResult]: Stem: 1612#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 1601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 1534#L198 assume 0 == ~r1~0 % 256; 1535#L199 assume ~id1~0 >= 0; 1597#L200 assume 0 == ~st1~0; 1598#L201 assume ~send1~0 == ~id1~0; 1568#L202 assume 0 == ~mode1~0 % 256; 1569#L203 assume ~id2~0 >= 0; 1586#L204 assume 0 == ~st2~0; 1540#L205 assume ~send2~0 == ~id2~0; 1541#L206 assume 0 == ~mode2~0 % 256; 1536#L207 assume ~id3~0 >= 0; 1537#L208 assume 0 == ~st3~0; 1600#L209 assume ~send3~0 == ~id3~0; 1545#L210 assume 0 == ~mode3~0 % 256; 1546#L211 assume ~id4~0 >= 0; 1538#L212 assume 0 == ~st4~0; 1539#L213 assume ~send4~0 == ~id4~0; 1620#L214 assume 0 == ~mode4~0 % 256; 1621#L215 assume ~id5~0 >= 0; 1599#L216 assume 0 == ~st5~0; 1576#L217 assume ~send5~0 == ~id5~0; 1577#L218 assume 0 == ~mode5~0 % 256; 1602#L219 assume ~id1~0 != ~id2~0; 1623#L220 assume ~id1~0 != ~id3~0; 1567#L221 assume ~id1~0 != ~id4~0; 1565#L222 assume ~id1~0 != ~id5~0; 1566#L223 assume ~id2~0 != ~id3~0; 1558#L224 assume ~id2~0 != ~id4~0; 1559#L225 assume ~id2~0 != ~id5~0; 1553#L226 assume ~id3~0 != ~id4~0; 1554#L227 assume ~id3~0 != ~id5~0; 1570#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 1571#L198-1 init_#res#1 := init_~tmp~0#1; 1528#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1529#L24 assume !(0 == assume_abort_if_not_~cond#1); 1560#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1531#L395-2 [2021-11-23 14:07:04,758 INFO L793 eck$LassoCheckResult]: Loop: 1531#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1557#L73 assume !(0 != ~mode1~0 % 256); 1592#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 1766#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 1764#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1761#L99 assume !(0 != ~mode2~0 % 256); 1762#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 1676#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 1670#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1667#L124 assume !(0 != ~mode3~0 % 256); 1664#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 1658#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 1654#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1655#L149 assume !(0 != ~mode4~0 % 256); 1747#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 1736#L162-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 1735#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1734#L174 assume !(0 != ~mode5~0 % 256); 1634#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 1635#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 1629#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1630#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 1624#L332 assume !(~r1~0 % 256 >= 5); 1626#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 1723#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 1720#L331-1 check_#res#1 := check_~tmp~1#1; 1717#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1712#L424 assume !(0 == assert_~arg#1 % 256); 1708#L419 assume { :end_inline_assert } true; 1705#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1701#L73 assume !(0 != ~mode1~0 % 256); 1699#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 1693#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 1686#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1684#L99 assume !(0 != ~mode2~0 % 256); 1682#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 1672#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 1668#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1665#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1660#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 1656#L127-1 ~mode3~0 := 0; 1657#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1652#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1650#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 1646#L152-1 ~mode4~0 := 0; 1644#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1641#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1642#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 1633#L177-1 ~mode5~0 := 0; 1632#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1627#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 1628#L332 assume !(~r1~0 % 256 >= 5); 1581#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 1582#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 1590#L331-1 check_#res#1 := check_~tmp~1#1; 1526#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1527#L424 assume !(0 == assert_~arg#1 % 256); 1530#L419 assume { :end_inline_assert } true; 1531#L395-2 [2021-11-23 14:07:04,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:04,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 5 times [2021-11-23 14:07:04,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:04,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859079954] [2021-11-23 14:07:04,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:04,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:04,791 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:04,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:04,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:04,827 INFO L85 PathProgramCache]: Analyzing trace with hash 330683299, now seen corresponding path program 1 times [2021-11-23 14:07:04,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:04,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111717027] [2021-11-23 14:07:04,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:04,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:04,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:04,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111717027] [2021-11-23 14:07:04,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111717027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:04,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:04,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:04,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520643074] [2021-11-23 14:07:04,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:04,959 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:04,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:04,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:04,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:04,961 INFO L87 Difference]: Start difference. First operand 273 states and 400 transitions. cyclomatic complexity: 128 Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:04,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:04,979 INFO L93 Difference]: Finished difference Result 397 states and 577 transitions. [2021-11-23 14:07:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:04,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 397 states and 577 transitions. [2021-11-23 14:07:04,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 360 [2021-11-23 14:07:04,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 397 states to 397 states and 577 transitions. [2021-11-23 14:07:04,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 397 [2021-11-23 14:07:04,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 397 [2021-11-23 14:07:04,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 397 states and 577 transitions. [2021-11-23 14:07:04,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:04,994 INFO L681 BuchiCegarLoop]: Abstraction has 397 states and 577 transitions. [2021-11-23 14:07:04,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states and 577 transitions. [2021-11-23 14:07:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 381. [2021-11-23 14:07:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 381 states have (on average 1.4409448818897639) internal successors, (549), 380 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 549 transitions. [2021-11-23 14:07:05,022 INFO L704 BuchiCegarLoop]: Abstraction has 381 states and 549 transitions. [2021-11-23 14:07:05,022 INFO L587 BuchiCegarLoop]: Abstraction has 381 states and 549 transitions. [2021-11-23 14:07:05,022 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-23 14:07:05,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 381 states and 549 transitions. [2021-11-23 14:07:05,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 344 [2021-11-23 14:07:05,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:05,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:05,028 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,028 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,029 INFO L791 eck$LassoCheckResult]: Stem: 2293#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 2282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 2210#L198 assume 0 == ~r1~0 % 256; 2211#L199 assume ~id1~0 >= 0; 2278#L200 assume 0 == ~st1~0; 2279#L201 assume ~send1~0 == ~id1~0; 2246#L202 assume 0 == ~mode1~0 % 256; 2247#L203 assume ~id2~0 >= 0; 2269#L204 assume 0 == ~st2~0; 2219#L205 assume ~send2~0 == ~id2~0; 2220#L206 assume 0 == ~mode2~0 % 256; 2212#L207 assume ~id3~0 >= 0; 2213#L208 assume 0 == ~st3~0; 2281#L209 assume ~send3~0 == ~id3~0; 2224#L210 assume 0 == ~mode3~0 % 256; 2225#L211 assume ~id4~0 >= 0; 2214#L212 assume 0 == ~st4~0; 2215#L213 assume ~send4~0 == ~id4~0; 2305#L214 assume 0 == ~mode4~0 % 256; 2306#L215 assume ~id5~0 >= 0; 2280#L216 assume 0 == ~st5~0; 2256#L217 assume ~send5~0 == ~id5~0; 2257#L218 assume 0 == ~mode5~0 % 256; 2283#L219 assume ~id1~0 != ~id2~0; 2314#L220 assume ~id1~0 != ~id3~0; 2245#L221 assume ~id1~0 != ~id4~0; 2243#L222 assume ~id1~0 != ~id5~0; 2244#L223 assume ~id2~0 != ~id3~0; 2235#L224 assume ~id2~0 != ~id4~0; 2236#L225 assume ~id2~0 != ~id5~0; 2229#L226 assume ~id3~0 != ~id4~0; 2230#L227 assume ~id3~0 != ~id5~0; 2248#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 2249#L198-1 init_#res#1 := init_~tmp~0#1; 2206#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 2207#L24 assume !(0 == assume_abort_if_not_~cond#1); 2239#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 2240#L395-2 [2021-11-23 14:07:05,030 INFO L793 eck$LassoCheckResult]: Loop: 2240#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 2317#L73 assume !(0 != ~mode1~0 % 256); 2302#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 2208#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 2209#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 2483#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 2479#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 2468#L102-1 ~mode2~0 := 0; 2464#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 2462#L124 assume !(0 != ~mode3~0 % 256); 2460#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 2288#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 2289#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 2261#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 2262#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 2333#L152-1 ~mode4~0 := 0; 2330#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 2329#L174 assume !(0 != ~mode5~0 % 256); 2323#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 2241#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 2242#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 2227#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 2228#L332 assume !(~r1~0 % 256 >= 5); 2259#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 2260#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 2562#L331-1 check_#res#1 := check_~tmp~1#1; 2202#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 2203#L424 assume !(0 == assert_~arg#1 % 256); 2204#L419 assume { :end_inline_assert } true; 2205#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 2272#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 2273#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 2303#L77-1 ~mode1~0 := 0; 2494#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 2492#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 2471#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 2365#L102-1 ~mode2~0 := 0; 2319#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 2315#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 2316#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 2352#L127-1 ~mode3~0 := 0; 2530#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 2527#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 2528#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 2309#L152-1 ~mode4~0 := 0; 2522#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 2519#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 2517#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 2325#L177-1 ~mode5~0 := 0; 2512#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 2510#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 2506#L332 assume !(~r1~0 % 256 >= 5); 2507#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 2508#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 2521#L331-1 check_#res#1 := check_~tmp~1#1; 2503#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 2502#L424 assume !(0 == assert_~arg#1 % 256); 2501#L419 assume { :end_inline_assert } true; 2240#L395-2 [2021-11-23 14:07:05,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 6 times [2021-11-23 14:07:05,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299414225] [2021-11-23 14:07:05,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:05,047 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:05,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:05,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,065 INFO L85 PathProgramCache]: Analyzing trace with hash 228514339, now seen corresponding path program 1 times [2021-11-23 14:07:05,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813094576] [2021-11-23 14:07:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:05,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:05,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813094576] [2021-11-23 14:07:05,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813094576] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:05,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:05,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:05,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329270422] [2021-11-23 14:07:05,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:05,173 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:05,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:05,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:05,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:05,176 INFO L87 Difference]: Start difference. First operand 381 states and 549 transitions. cyclomatic complexity: 169 Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:05,204 INFO L93 Difference]: Finished difference Result 693 states and 997 transitions. [2021-11-23 14:07:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:05,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 693 states and 997 transitions. [2021-11-23 14:07:05,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 656 [2021-11-23 14:07:05,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 693 states to 693 states and 997 transitions. [2021-11-23 14:07:05,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 693 [2021-11-23 14:07:05,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 693 [2021-11-23 14:07:05,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 693 states and 997 transitions. [2021-11-23 14:07:05,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:05,231 INFO L681 BuchiCegarLoop]: Abstraction has 693 states and 997 transitions. [2021-11-23 14:07:05,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states and 997 transitions. [2021-11-23 14:07:05,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 677. [2021-11-23 14:07:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 677 states have (on average 1.4372230428360413) internal successors, (973), 676 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 973 transitions. [2021-11-23 14:07:05,253 INFO L704 BuchiCegarLoop]: Abstraction has 677 states and 973 transitions. [2021-11-23 14:07:05,253 INFO L587 BuchiCegarLoop]: Abstraction has 677 states and 973 transitions. [2021-11-23 14:07:05,253 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-23 14:07:05,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 677 states and 973 transitions. [2021-11-23 14:07:05,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 640 [2021-11-23 14:07:05,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:05,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:05,264 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,264 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,266 INFO L791 eck$LassoCheckResult]: Stem: 3375#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 3361#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 3290#L198 assume 0 == ~r1~0 % 256; 3291#L199 assume ~id1~0 >= 0; 3357#L200 assume 0 == ~st1~0; 3358#L201 assume ~send1~0 == ~id1~0; 3326#L202 assume 0 == ~mode1~0 % 256; 3327#L203 assume ~id2~0 >= 0; 3349#L204 assume 0 == ~st2~0; 3296#L205 assume ~send2~0 == ~id2~0; 3297#L206 assume 0 == ~mode2~0 % 256; 3292#L207 assume ~id3~0 >= 0; 3293#L208 assume 0 == ~st3~0; 3360#L209 assume ~send3~0 == ~id3~0; 3304#L210 assume 0 == ~mode3~0 % 256; 3305#L211 assume ~id4~0 >= 0; 3294#L212 assume 0 == ~st4~0; 3295#L213 assume ~send4~0 == ~id4~0; 3386#L214 assume 0 == ~mode4~0 % 256; 3387#L215 assume ~id5~0 >= 0; 3359#L216 assume 0 == ~st5~0; 3336#L217 assume ~send5~0 == ~id5~0; 3337#L218 assume 0 == ~mode5~0 % 256; 3362#L219 assume ~id1~0 != ~id2~0; 3392#L220 assume ~id1~0 != ~id3~0; 3325#L221 assume ~id1~0 != ~id4~0; 3323#L222 assume ~id1~0 != ~id5~0; 3324#L223 assume ~id2~0 != ~id3~0; 3315#L224 assume ~id2~0 != ~id4~0; 3316#L225 assume ~id2~0 != ~id5~0; 3310#L226 assume ~id3~0 != ~id4~0; 3311#L227 assume ~id3~0 != ~id5~0; 3328#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 3329#L198-1 init_#res#1 := init_~tmp~0#1; 3286#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 3287#L24 assume !(0 == assume_abort_if_not_~cond#1); 3319#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 3320#L395-2 [2021-11-23 14:07:05,267 INFO L793 eck$LassoCheckResult]: Loop: 3320#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 3629#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 3622#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 3619#L77-1 ~mode1~0 := 0; 3616#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 3610#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 3605#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 3602#L102-1 ~mode2~0 := 0; 3599#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 3453#L124 assume !(0 != ~mode3~0 % 256); 3449#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 3441#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 3442#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 3847#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 3844#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 3840#L152-1 ~mode4~0 := 0; 3838#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 3836#L174 assume !(0 != ~mode5~0 % 256); 3835#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 3413#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 3412#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 3410#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 3411#L332 assume !(~r1~0 % 256 >= 5); 3404#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 3402#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 3403#L331-1 check_#res#1 := check_~tmp~1#1; 3926#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 3398#L424 assume !(0 == assert_~arg#1 % 256); 3397#L419 assume { :end_inline_assert } true; 3395#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 3396#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 3923#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 3385#L77-1 ~mode1~0 := 0; 3948#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 3947#L99 assume !(0 != ~mode2~0 % 256); 3467#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 3460#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 3454#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 3455#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 3445#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 3444#L127-1 ~mode3~0 := 0; 3735#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 3732#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 3706#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 3702#L152-1 ~mode4~0 := 0; 3700#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 3699#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 3697#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 3681#L177-1 ~mode5~0 := 0; 3676#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 3673#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 3668#L332 assume !(~r1~0 % 256 >= 5); 3663#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 3656#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 3652#L331-1 check_#res#1 := check_~tmp~1#1; 3648#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 3643#L424 assume !(0 == assert_~arg#1 % 256); 3637#L419 assume { :end_inline_assert } true; 3320#L395-2 [2021-11-23 14:07:05,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 7 times [2021-11-23 14:07:05,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589658419] [2021-11-23 14:07:05,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:05,281 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:05,310 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:05,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,313 INFO L85 PathProgramCache]: Analyzing trace with hash 331926647, now seen corresponding path program 1 times [2021-11-23 14:07:05,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536836406] [2021-11-23 14:07:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:05,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:05,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536836406] [2021-11-23 14:07:05,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536836406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:05,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:05,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:05,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569448532] [2021-11-23 14:07:05,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:05,399 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:05,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:05,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:05,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:05,400 INFO L87 Difference]: Start difference. First operand 677 states and 973 transitions. cyclomatic complexity: 297 Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:05,421 INFO L93 Difference]: Finished difference Result 681 states and 971 transitions. [2021-11-23 14:07:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:05,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 681 states and 971 transitions. [2021-11-23 14:07:05,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 640 [2021-11-23 14:07:05,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 681 states to 681 states and 971 transitions. [2021-11-23 14:07:05,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 681 [2021-11-23 14:07:05,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 681 [2021-11-23 14:07:05,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 681 states and 971 transitions. [2021-11-23 14:07:05,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:05,438 INFO L681 BuchiCegarLoop]: Abstraction has 681 states and 971 transitions. [2021-11-23 14:07:05,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states and 971 transitions. [2021-11-23 14:07:05,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 679. [2021-11-23 14:07:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 679 states have (on average 1.4256259204712813) internal successors, (968), 678 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 968 transitions. [2021-11-23 14:07:05,458 INFO L704 BuchiCegarLoop]: Abstraction has 679 states and 968 transitions. [2021-11-23 14:07:05,458 INFO L587 BuchiCegarLoop]: Abstraction has 679 states and 968 transitions. [2021-11-23 14:07:05,458 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-23 14:07:05,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 679 states and 968 transitions. [2021-11-23 14:07:05,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 640 [2021-11-23 14:07:05,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:05,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:05,465 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,466 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,466 INFO L791 eck$LassoCheckResult]: Stem: 4735#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 4722#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 4654#L198 assume 0 == ~r1~0 % 256; 4655#L199 assume ~id1~0 >= 0; 4718#L200 assume 0 == ~st1~0; 4719#L201 assume ~send1~0 == ~id1~0; 4689#L202 assume 0 == ~mode1~0 % 256; 4690#L203 assume ~id2~0 >= 0; 4711#L204 assume 0 == ~st2~0; 4663#L205 assume ~send2~0 == ~id2~0; 4664#L206 assume 0 == ~mode2~0 % 256; 4656#L207 assume ~id3~0 >= 0; 4657#L208 assume 0 == ~st3~0; 4721#L209 assume ~send3~0 == ~id3~0; 4668#L210 assume 0 == ~mode3~0 % 256; 4669#L211 assume ~id4~0 >= 0; 4658#L212 assume 0 == ~st4~0; 4659#L213 assume ~send4~0 == ~id4~0; 4744#L214 assume 0 == ~mode4~0 % 256; 4745#L215 assume ~id5~0 >= 0; 4720#L216 assume 0 == ~st5~0; 4698#L217 assume ~send5~0 == ~id5~0; 4699#L218 assume 0 == ~mode5~0 % 256; 4723#L219 assume ~id1~0 != ~id2~0; 4750#L220 assume ~id1~0 != ~id3~0; 4688#L221 assume ~id1~0 != ~id4~0; 4686#L222 assume ~id1~0 != ~id5~0; 4687#L223 assume ~id2~0 != ~id3~0; 4678#L224 assume ~id2~0 != ~id4~0; 4679#L225 assume ~id2~0 != ~id5~0; 4673#L226 assume ~id3~0 != ~id4~0; 4674#L227 assume ~id3~0 != ~id5~0; 4691#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 4692#L198-1 init_#res#1 := init_~tmp~0#1; 4650#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 4651#L24 assume !(0 == assume_abort_if_not_~cond#1); 4682#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 4683#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 5257#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 5062#L77 [2021-11-23 14:07:05,466 INFO L793 eck$LassoCheckResult]: Loop: 5062#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 5054#L77-1 ~mode1~0 := 0; 5057#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 5055#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 5026#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 5023#L102-1 ~mode2~0 := 0; 5021#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 5019#L124 assume !(0 != ~mode3~0 % 256); 5015#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 5013#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 5011#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 5010#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 4965#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 4961#L152-1 ~mode4~0 := 0; 4959#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 4958#L174 assume !(0 != ~mode5~0 % 256); 4952#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 4949#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 4945#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 4940#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 4935#L332 assume !(~r1~0 % 256 >= 5); 4931#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 4923#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 4921#L331-1 check_#res#1 := check_~tmp~1#1; 4914#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 4911#L424 assume !(0 == assert_~arg#1 % 256); 4897#L419 assume { :end_inline_assert } true; 4893#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 4888#L73 assume !(0 != ~mode1~0 % 256); 4866#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 4863#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 4859#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 4855#L99 assume !(0 != ~mode2~0 % 256); 4851#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 4848#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 4845#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 4841#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 4842#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 5222#L127-1 ~mode3~0 := 0; 5220#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 5218#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 5216#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 5212#L152-1 ~mode4~0 := 0; 5209#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 5207#L174 assume !(0 != ~mode5~0 % 256); 5195#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 5192#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 5190#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 5189#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 5188#L332 assume !(~r1~0 % 256 >= 5); 5186#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 5185#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 5184#L331-1 check_#res#1 := check_~tmp~1#1; 5177#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 5174#L424 assume !(0 == assert_~arg#1 % 256); 4648#L419 assume { :end_inline_assert } true; 4649#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 4677#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 5062#L77 [2021-11-23 14:07:05,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1210565014, now seen corresponding path program 1 times [2021-11-23 14:07:05,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805072414] [2021-11-23 14:07:05,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:05,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:05,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805072414] [2021-11-23 14:07:05,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805072414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:05,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:05,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:07:05,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176120887] [2021-11-23 14:07:05,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:05,501 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 14:07:05,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,502 INFO L85 PathProgramCache]: Analyzing trace with hash 520229195, now seen corresponding path program 1 times [2021-11-23 14:07:05,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957605418] [2021-11-23 14:07:05,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:05,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:05,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957605418] [2021-11-23 14:07:05,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957605418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:05,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:05,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:05,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742324175] [2021-11-23 14:07:05,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:05,576 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:05,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:05,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:05,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:05,578 INFO L87 Difference]: Start difference. First operand 679 states and 968 transitions. cyclomatic complexity: 290 Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:05,603 INFO L93 Difference]: Finished difference Result 679 states and 967 transitions. [2021-11-23 14:07:05,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:05,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 679 states and 967 transitions. [2021-11-23 14:07:05,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 640 [2021-11-23 14:07:05,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 679 states to 679 states and 967 transitions. [2021-11-23 14:07:05,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 679 [2021-11-23 14:07:05,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 679 [2021-11-23 14:07:05,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 679 states and 967 transitions. [2021-11-23 14:07:05,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:05,622 INFO L681 BuchiCegarLoop]: Abstraction has 679 states and 967 transitions. [2021-11-23 14:07:05,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states and 967 transitions. [2021-11-23 14:07:05,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 677. [2021-11-23 14:07:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 677 states have (on average 1.4254062038404727) internal successors, (965), 676 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 965 transitions. [2021-11-23 14:07:05,641 INFO L704 BuchiCegarLoop]: Abstraction has 677 states and 965 transitions. [2021-11-23 14:07:05,641 INFO L587 BuchiCegarLoop]: Abstraction has 677 states and 965 transitions. [2021-11-23 14:07:05,641 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-23 14:07:05,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 677 states and 965 transitions. [2021-11-23 14:07:05,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 640 [2021-11-23 14:07:05,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:05,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:05,647 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,648 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 14:07:05,648 INFO L791 eck$LassoCheckResult]: Stem: 6102#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 6088#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 6019#L198 assume 0 == ~r1~0 % 256; 6020#L199 assume ~id1~0 >= 0; 6084#L200 assume 0 == ~st1~0; 6085#L201 assume ~send1~0 == ~id1~0; 6054#L202 assume 0 == ~mode1~0 % 256; 6055#L203 assume ~id2~0 >= 0; 6072#L204 assume 0 == ~st2~0; 6025#L205 assume ~send2~0 == ~id2~0; 6026#L206 assume 0 == ~mode2~0 % 256; 6021#L207 assume ~id3~0 >= 0; 6022#L208 assume 0 == ~st3~0; 6087#L209 assume ~send3~0 == ~id3~0; 6030#L210 assume 0 == ~mode3~0 % 256; 6031#L211 assume ~id4~0 >= 0; 6023#L212 assume 0 == ~st4~0; 6024#L213 assume ~send4~0 == ~id4~0; 6111#L214 assume 0 == ~mode4~0 % 256; 6112#L215 assume ~id5~0 >= 0; 6086#L216 assume 0 == ~st5~0; 6062#L217 assume ~send5~0 == ~id5~0; 6063#L218 assume 0 == ~mode5~0 % 256; 6089#L219 assume ~id1~0 != ~id2~0; 6116#L220 assume ~id1~0 != ~id3~0; 6053#L221 assume ~id1~0 != ~id4~0; 6051#L222 assume ~id1~0 != ~id5~0; 6052#L223 assume ~id2~0 != ~id3~0; 6043#L224 assume ~id2~0 != ~id4~0; 6044#L225 assume ~id2~0 != ~id5~0; 6038#L226 assume ~id3~0 != ~id4~0; 6039#L227 assume ~id3~0 != ~id5~0; 6056#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 6057#L198-1 init_#res#1 := init_~tmp~0#1; 6013#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 6014#L24 assume !(0 == assume_abort_if_not_~cond#1); 6045#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 6046#L395-2 [2021-11-23 14:07:05,648 INFO L793 eck$LassoCheckResult]: Loop: 6046#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 6219#L73 assume !(0 != ~mode1~0 % 256); 6566#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 6565#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 6131#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 6132#L99 assume !(0 != ~mode2~0 % 256); 6556#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 6554#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 6553#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 6551#L124 assume !(0 != ~mode3~0 % 256); 6208#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 6548#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 6543#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 6540#L149 assume !(0 != ~mode4~0 % 256); 6534#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 6528#L162-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 6525#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 6523#L174 assume !(0 != ~mode5~0 % 256); 6518#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 6514#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 6512#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 6509#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 6507#L332 assume !(~r1~0 % 256 >= 5); 6505#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 6503#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 6501#L331-1 check_#res#1 := check_~tmp~1#1; 6499#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 6497#L424 assume !(0 == assert_~arg#1 % 256); 6493#L419 assume { :end_inline_assert } true; 6492#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 6490#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 6486#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 6461#L77-1 ~mode1~0 := 0; 6482#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 6480#L99 assume !(0 != ~mode2~0 % 256); 6127#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 6113#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 6094#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 6095#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 6107#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 6058#L127-1 ~mode3~0 := 0; 6059#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 6069#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 6070#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 6114#L152-1 ~mode4~0 := 0; 6679#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 6678#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 6675#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 6074#L177-1 ~mode5~0 := 0; 6672#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 6668#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 6667#L332 assume !(~r1~0 % 256 >= 5); 6067#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 6068#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 6596#L331-1 check_#res#1 := check_~tmp~1#1; 6571#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 6570#L424 assume !(0 == assert_~arg#1 % 256); 6306#L419 assume { :end_inline_assert } true; 6046#L395-2 [2021-11-23 14:07:05,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 8 times [2021-11-23 14:07:05,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22835346] [2021-11-23 14:07:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:05,659 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:05,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:05,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1585062183, now seen corresponding path program 1 times [2021-11-23 14:07:05,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102112860] [2021-11-23 14:07:05,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:05,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:05,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102112860] [2021-11-23 14:07:05,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102112860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:05,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:05,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:05,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168058904] [2021-11-23 14:07:05,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:05,736 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:05,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:05,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:05,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:05,737 INFO L87 Difference]: Start difference. First operand 677 states and 965 transitions. cyclomatic complexity: 289 Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:05,757 INFO L93 Difference]: Finished difference Result 687 states and 972 transitions. [2021-11-23 14:07:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:05,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 687 states and 972 transitions. [2021-11-23 14:07:05,765 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 640 [2021-11-23 14:07:05,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 687 states to 687 states and 972 transitions. [2021-11-23 14:07:05,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 687 [2021-11-23 14:07:05,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 687 [2021-11-23 14:07:05,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 687 states and 972 transitions. [2021-11-23 14:07:05,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:05,775 INFO L681 BuchiCegarLoop]: Abstraction has 687 states and 972 transitions. [2021-11-23 14:07:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states and 972 transitions. [2021-11-23 14:07:05,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 683. [2021-11-23 14:07:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 683 states have (on average 1.4128843338213763) internal successors, (965), 682 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 965 transitions. [2021-11-23 14:07:05,794 INFO L704 BuchiCegarLoop]: Abstraction has 683 states and 965 transitions. [2021-11-23 14:07:05,794 INFO L587 BuchiCegarLoop]: Abstraction has 683 states and 965 transitions. [2021-11-23 14:07:05,794 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-23 14:07:05,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 683 states and 965 transitions. [2021-11-23 14:07:05,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 640 [2021-11-23 14:07:05,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:05,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:05,807 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,807 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 14:07:05,808 INFO L791 eck$LassoCheckResult]: Stem: 7474#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 7461#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 7389#L198 assume 0 == ~r1~0 % 256; 7390#L199 assume ~id1~0 >= 0; 7457#L200 assume 0 == ~st1~0; 7458#L201 assume ~send1~0 == ~id1~0; 7424#L202 assume 0 == ~mode1~0 % 256; 7425#L203 assume ~id2~0 >= 0; 7448#L204 assume 0 == ~st2~0; 7398#L205 assume ~send2~0 == ~id2~0; 7399#L206 assume 0 == ~mode2~0 % 256; 7391#L207 assume ~id3~0 >= 0; 7392#L208 assume 0 == ~st3~0; 7460#L209 assume ~send3~0 == ~id3~0; 7403#L210 assume 0 == ~mode3~0 % 256; 7404#L211 assume ~id4~0 >= 0; 7393#L212 assume 0 == ~st4~0; 7394#L213 assume ~send4~0 == ~id4~0; 7483#L214 assume 0 == ~mode4~0 % 256; 7484#L215 assume ~id5~0 >= 0; 7459#L216 assume 0 == ~st5~0; 7434#L217 assume ~send5~0 == ~id5~0; 7435#L218 assume 0 == ~mode5~0 % 256; 7462#L219 assume ~id1~0 != ~id2~0; 7489#L220 assume ~id1~0 != ~id3~0; 7423#L221 assume ~id1~0 != ~id4~0; 7421#L222 assume ~id1~0 != ~id5~0; 7422#L223 assume ~id2~0 != ~id3~0; 7414#L224 assume ~id2~0 != ~id4~0; 7415#L225 assume ~id2~0 != ~id5~0; 7408#L226 assume ~id3~0 != ~id4~0; 7409#L227 assume ~id3~0 != ~id5~0; 7426#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 7427#L198-1 init_#res#1 := init_~tmp~0#1; 7385#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 7386#L24 assume !(0 == assume_abort_if_not_~cond#1); 7418#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 7412#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 7413#L73 assume !(0 != ~mode1~0 % 256); 7451#L87 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 7481#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 8061#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 8060#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 7464#L102 [2021-11-23 14:07:05,808 INFO L793 eck$LassoCheckResult]: Loop: 7464#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 7468#L102-1 ~mode2~0 := 0; 7765#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 7719#L124 assume !(0 != ~mode3~0 % 256); 7717#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 7715#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 7713#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 7711#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 7698#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 7695#L152-1 ~mode4~0 := 0; 7662#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 7654#L174 assume !(0 != ~mode5~0 % 256); 7650#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 7632#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 7629#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 7628#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 7615#L332 assume !(~r1~0 % 256 >= 5); 7616#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 7609#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 7610#L331-1 check_#res#1 := check_~tmp~1#1; 7898#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 7895#L424 assume !(0 == assert_~arg#1 % 256); 7893#L419 assume { :end_inline_assert } true; 7891#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 7888#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 7882#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 7583#L77-1 ~mode1~0 := 0; 7880#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 7854#L99 assume !(0 != ~mode2~0 % 256); 7849#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 7845#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 7844#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 7491#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 7492#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 7554#L127-1 ~mode3~0 := 0; 8035#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 7439#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 7440#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 7542#L152-1 ~mode4~0 := 0; 7539#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 7530#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 7528#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 7518#L177-1 ~mode5~0 := 0; 7514#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 7511#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 7512#L332 assume !(~r1~0 % 256 >= 5); 7993#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 7991#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 7446#L331-1 check_#res#1 := check_~tmp~1#1; 7447#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 8000#L424 assume !(0 == assert_~arg#1 % 256); 7998#L419 assume { :end_inline_assert } true; 7997#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 7990#L73 assume !(0 != ~mode1~0 % 256); 7989#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 7988#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 7986#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 7463#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 7464#L102 [2021-11-23 14:07:05,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2044115057, now seen corresponding path program 1 times [2021-11-23 14:07:05,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338289453] [2021-11-23 14:07:05,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:05,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:05,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338289453] [2021-11-23 14:07:05,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338289453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:05,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:05,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:07:05,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290703313] [2021-11-23 14:07:05,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:05,848 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 14:07:05,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,849 INFO L85 PathProgramCache]: Analyzing trace with hash -249605011, now seen corresponding path program 1 times [2021-11-23 14:07:05,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282828116] [2021-11-23 14:07:05,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:05,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:05,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282828116] [2021-11-23 14:07:05,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282828116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:05,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:05,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:05,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181234364] [2021-11-23 14:07:05,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:05,926 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:05,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:05,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:05,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:05,928 INFO L87 Difference]: Start difference. First operand 683 states and 965 transitions. cyclomatic complexity: 284 Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:05,945 INFO L93 Difference]: Finished difference Result 363 states and 504 transitions. [2021-11-23 14:07:05,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:05,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 363 states and 504 transitions. [2021-11-23 14:07:05,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 320 [2021-11-23 14:07:05,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 363 states to 363 states and 504 transitions. [2021-11-23 14:07:05,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 363 [2021-11-23 14:07:05,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 363 [2021-11-23 14:07:05,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 363 states and 504 transitions. [2021-11-23 14:07:05,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:05,956 INFO L681 BuchiCegarLoop]: Abstraction has 363 states and 504 transitions. [2021-11-23 14:07:05,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states and 504 transitions. [2021-11-23 14:07:05,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 357. [2021-11-23 14:07:05,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 357 states have (on average 1.392156862745098) internal successors, (497), 356 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 497 transitions. [2021-11-23 14:07:05,966 INFO L704 BuchiCegarLoop]: Abstraction has 357 states and 497 transitions. [2021-11-23 14:07:05,967 INFO L587 BuchiCegarLoop]: Abstraction has 357 states and 497 transitions. [2021-11-23 14:07:05,967 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-23 14:07:05,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 357 states and 497 transitions. [2021-11-23 14:07:05,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 320 [2021-11-23 14:07:05,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:05,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:05,970 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,971 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:05,971 INFO L791 eck$LassoCheckResult]: Stem: 8522#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 8507#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 8442#L198 assume 0 == ~r1~0 % 256; 8443#L199 assume ~id1~0 >= 0; 8503#L200 assume 0 == ~st1~0; 8504#L201 assume ~send1~0 == ~id1~0; 8476#L202 assume 0 == ~mode1~0 % 256; 8477#L203 assume ~id2~0 >= 0; 8496#L204 assume 0 == ~st2~0; 8451#L205 assume ~send2~0 == ~id2~0; 8452#L206 assume 0 == ~mode2~0 % 256; 8444#L207 assume ~id3~0 >= 0; 8445#L208 assume 0 == ~st3~0; 8506#L209 assume ~send3~0 == ~id3~0; 8456#L210 assume 0 == ~mode3~0 % 256; 8457#L211 assume ~id4~0 >= 0; 8446#L212 assume 0 == ~st4~0; 8447#L213 assume ~send4~0 == ~id4~0; 8531#L214 assume 0 == ~mode4~0 % 256; 8532#L215 assume ~id5~0 >= 0; 8505#L216 assume 0 == ~st5~0; 8485#L217 assume ~send5~0 == ~id5~0; 8486#L218 assume 0 == ~mode5~0 % 256; 8508#L219 assume ~id1~0 != ~id2~0; 8537#L220 assume ~id1~0 != ~id3~0; 8475#L221 assume ~id1~0 != ~id4~0; 8473#L222 assume ~id1~0 != ~id5~0; 8474#L223 assume ~id2~0 != ~id3~0; 8466#L224 assume ~id2~0 != ~id4~0; 8467#L225 assume ~id2~0 != ~id5~0; 8461#L226 assume ~id3~0 != ~id4~0; 8462#L227 assume ~id3~0 != ~id5~0; 8478#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 8479#L198-1 init_#res#1 := init_~tmp~0#1; 8438#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 8439#L24 assume !(0 == assume_abort_if_not_~cond#1); 8470#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 8437#L395-2 [2021-11-23 14:07:05,971 INFO L793 eck$LassoCheckResult]: Loop: 8437#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 8465#L73 assume !(0 != ~mode1~0 % 256); 8498#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 8440#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 8441#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 8499#L99 assume !(0 != ~mode2~0 % 256); 8687#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 8685#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 8683#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 8680#L124 assume !(0 != ~mode3~0 % 256); 8679#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 8675#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 8673#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 8670#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 8666#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 8596#L152-1 ~mode4~0 := 0; 8595#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 8663#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 8579#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 8578#L177-1 ~mode5~0 := 0; 8561#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 8562#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 8559#L332 assume !(~r1~0 % 256 >= 5); 8560#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 8652#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 8648#L331-1 check_#res#1 := check_~tmp~1#1; 8646#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 8644#L424 assume !(0 == assert_~arg#1 % 256); 8642#L419 assume { :end_inline_assert } true; 8641#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 8640#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 8637#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 8633#L77-1 ~mode1~0 := 0; 8631#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 8629#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 8619#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 8616#L102-1 ~mode2~0 := 0; 8613#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 8610#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 8606#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 8602#L127-1 ~mode3~0 := 0; 8603#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 8759#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 8755#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 8750#L152-1 ~mode4~0 := 0; 8747#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 8744#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 8739#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 8564#L177-1 ~mode5~0 := 0; 8551#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 8552#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 8544#L332 assume !(~r1~0 % 256 >= 5); 8546#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 8553#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 8550#L331-1 check_#res#1 := check_~tmp~1#1; 8547#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 8511#L424 assume !(0 == assert_~arg#1 % 256); 8436#L419 assume { :end_inline_assert } true; 8437#L395-2 [2021-11-23 14:07:05,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:05,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 9 times [2021-11-23 14:07:05,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:05,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837187615] [2021-11-23 14:07:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:05,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:05,981 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:06,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:06,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1202149667, now seen corresponding path program 1 times [2021-11-23 14:07:06,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:06,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771465828] [2021-11-23 14:07:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:06,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:06,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:06,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771465828] [2021-11-23 14:07:06,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771465828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:06,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:06,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:06,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685207184] [2021-11-23 14:07:06,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:06,073 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:06,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:06,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:07:06,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:07:06,075 INFO L87 Difference]: Start difference. First operand 357 states and 497 transitions. cyclomatic complexity: 141 Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:06,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:06,160 INFO L93 Difference]: Finished difference Result 645 states and 893 transitions. [2021-11-23 14:07:06,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:07:06,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 645 states and 893 transitions. [2021-11-23 14:07:06,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 608 [2021-11-23 14:07:06,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 645 states to 645 states and 893 transitions. [2021-11-23 14:07:06,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 645 [2021-11-23 14:07:06,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 645 [2021-11-23 14:07:06,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 645 states and 893 transitions. [2021-11-23 14:07:06,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:06,179 INFO L681 BuchiCegarLoop]: Abstraction has 645 states and 893 transitions. [2021-11-23 14:07:06,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states and 893 transitions. [2021-11-23 14:07:06,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 629. [2021-11-23 14:07:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 629 states have (on average 1.381558028616852) internal successors, (869), 628 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 869 transitions. [2021-11-23 14:07:06,198 INFO L704 BuchiCegarLoop]: Abstraction has 629 states and 869 transitions. [2021-11-23 14:07:06,198 INFO L587 BuchiCegarLoop]: Abstraction has 629 states and 869 transitions. [2021-11-23 14:07:06,198 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-23 14:07:06,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 629 states and 869 transitions. [2021-11-23 14:07:06,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 592 [2021-11-23 14:07:06,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:06,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:06,206 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:06,206 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 14:07:06,206 INFO L791 eck$LassoCheckResult]: Stem: 9534#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0; 9520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~id2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~st2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~send2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~mode2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 9450#L198 assume 0 == ~r1~0 % 256; 9451#L199 assume ~id1~0 >= 0; 9516#L200 assume 0 == ~st1~0; 9517#L201 assume ~send1~0 == ~id1~0; 9487#L202 assume 0 == ~mode1~0 % 256; 9488#L203 assume ~id2~0 >= 0; 9507#L204 assume 0 == ~st2~0; 9459#L205 assume ~send2~0 == ~id2~0; 9460#L206 assume 0 == ~mode2~0 % 256; 9452#L207 assume ~id3~0 >= 0; 9453#L208 assume 0 == ~st3~0; 9519#L209 assume ~send3~0 == ~id3~0; 9464#L210 assume 0 == ~mode3~0 % 256; 9465#L211 assume ~id4~0 >= 0; 9454#L212 assume 0 == ~st4~0; 9455#L213 assume ~send4~0 == ~id4~0; 9545#L214 assume 0 == ~mode4~0 % 256; 9546#L215 assume ~id5~0 >= 0; 9518#L216 assume 0 == ~st5~0; 9496#L217 assume ~send5~0 == ~id5~0; 9497#L218 assume 0 == ~mode5~0 % 256; 9521#L219 assume ~id1~0 != ~id2~0; 9554#L220 assume ~id1~0 != ~id3~0; 9486#L221 assume ~id1~0 != ~id4~0; 9484#L222 assume ~id1~0 != ~id5~0; 9485#L223 assume ~id2~0 != ~id3~0; 9476#L224 assume ~id2~0 != ~id4~0; 9477#L225 assume ~id2~0 != ~id5~0; 9470#L226 assume ~id3~0 != ~id4~0; 9471#L227 assume ~id3~0 != ~id5~0; 9489#L228 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 9490#L198-1 init_#res#1 := init_~tmp~0#1; 9446#L323 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 9447#L24 assume !(0 == assume_abort_if_not_~cond#1); 9480#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 9481#L395-2 [2021-11-23 14:07:06,207 INFO L793 eck$LassoCheckResult]: Loop: 9481#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 9788#L73 assume !(0 != ~mode1~0 % 256); 9781#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 9777#L87-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 9774#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 9771#L99 assume !(0 != ~mode2~0 % 256); 9764#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 9761#L112-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 9759#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 9732#L124 assume !(0 != ~mode3~0 % 256); 9726#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 9722#L137-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 9717#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 9711#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 9712#L152 assume !(node4_~m4~0#1 != ~nomsg~0); 10009#L152-1 ~mode4~0 := 0; 10007#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 9998#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 9993#L177 assume !(node5_~m5~0#1 != ~nomsg~0); 9989#L177-1 ~mode5~0 := 0; 9986#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 9984#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 9982#L332 assume !(~r1~0 % 256 >= 5); 9980#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 9977#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 9976#L331-1 check_#res#1 := check_~tmp~1#1; 9975#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 9974#L424 assume !(0 == assert_~arg#1 % 256); 9592#L419 assume { :end_inline_assert } true; 9591#L395-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 9590#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 9586#L77 assume !(node1_~m1~0#1 != ~nomsg~0); 9581#L77-1 ~mode1~0 := 0; 9582#L73-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 9613#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 9614#L102 assume !(node2_~m2~0#1 != ~nomsg~0); 9566#L102-1 ~mode2~0 := 0; 9601#L99-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 9600#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9540#L127 assume !(node3_~m3~0#1 != ~nomsg~0); 9491#L127-1 ~mode3~0 := 0; 9492#L124-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 9553#L149 assume !(0 != ~mode4~0 % 256); 9513#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 9514#L162-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 9833#L149-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 9832#L174 assume !(0 != ~mode5~0 % 256); 9831#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 9817#L187-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 9815#L174-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 9813#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 9811#L332 assume !(~r1~0 % 256 >= 5); 9807#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 9801#L336 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 9799#L331-1 check_#res#1 := check_~tmp~1#1; 9797#L351 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 9794#L424 assume !(0 == assert_~arg#1 % 256); 9792#L419 assume { :end_inline_assert } true; 9481#L395-2 [2021-11-23 14:07:06,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:06,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 10 times [2021-11-23 14:07:06,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:06,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032784986] [2021-11-23 14:07:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:06,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:06,222 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:06,247 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:06,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:06,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1886423625, now seen corresponding path program 1 times [2021-11-23 14:07:06,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:06,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567442021] [2021-11-23 14:07:06,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:06,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:06,312 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:06,338 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:06,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:06,344 INFO L85 PathProgramCache]: Analyzing trace with hash -27092055, now seen corresponding path program 1 times [2021-11-23 14:07:06,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:06,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076308226] [2021-11-23 14:07:06,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:06,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 14:07:06,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:06,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076308226] [2021-11-23 14:07:06,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076308226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:06,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:06,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:07:06,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110871204] [2021-11-23 14:07:06,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:08,751 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:07:08,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:07:08,752 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:07:08,752 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:07:08,752 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:07:08,752 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:08,752 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:07:08,752 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:07:08,752 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_Iteration13_Loop [2021-11-23 14:07:08,752 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:07:08,752 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:07:08,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:08,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:08,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:08,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:08,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:08,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:08,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:09,621 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12